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• how to implement add item in spinner array adapter in android

  - by narasimha

  hi folks, i had a EditText , a button and a spinner . When click the button , the spinner will add a new item with name you entered in the EditText. But here is the question, my adapter.add() method seems doesn't work...here is my code: bt1 = (Button)this.findViewById(R.id.AddBtn); et = (EditText)this.findViewById(R.id.newSpinnerItemText); spinner = (Spinner)this.findViewById(R.id.dynamicSpinner); adapter = ArrayAdapter.createFromResource( this, R.array.simple_from_length, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); bt1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String temp = et.getText().toString(); adapter.add(temp); // adapter.notifyDataSetChanged(); spinner.setAdapter(adapter); } }); error of this file: 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): java.lang.UnsupportedOperationException 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at java.util.AbstractList.add(AbstractList.java:410) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at java.util.AbstractList.add(AbstractList.java:432) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.widget.ArrayAdapter.add(ArrayAdapter.java:178) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at org.example.SpinnerKiran.SpinnerKiran$1.onClick(SpinnerKiran.java:56) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.View.performClick(View.java:2179) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.View.onTouchEvent(View.java:3828) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.widget.TextView.onTouchEvent(TextView.java:6291) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.View.dispatchTouchEvent(View.java:3368) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1707) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1197) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.app.Activity.dispatchTouchEvent(Activity.java:1993) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1691) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.view.ViewRoot.handleMessage(ViewRoot.java:1525) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.os.Handler.dispatchMessage(Handler.java:99) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.os.Looper.loop(Looper.java:123) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at android.app.ActivityThread.main(ActivityThread.java:3948) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at java.lang.reflect.Method.invokeNative(Native Method) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at java.lang.reflect.Method.invoke(Method.java:521) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 02-27 18:01:17.728: ERROR/AndroidRuntime(1982): at dalvik.system.NativeStart.main(Native Method)

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• NfcAdapter.getDefaultAdapter(this) returns null in emulator

  - by DixieFlatline

  I am trying to test ForegroundDispatch (http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/nfc/ForegroundDispatch.html) in emulator API 10 (Android 2.3.3). When i call NfcAdapter.getDefaultAdapter(this), i get null. Why is this so? Code: public class ForegroundDispatch extends Activity { private NfcAdapter mAdapter; private PendingIntent mPendingIntent; private IntentFilter[] mFilters; private String[][] mTechLists; private TextView mText; private int mCount = 0; @Override public void onCreate(Bundle savedState) { super.onCreate(savedState); setContentView(R.layout.foreground_dispatch); mText = (TextView) findViewById(R.id.text); mText.setText("Scan a tag"); mAdapter = NfcAdapter.getDefaultAdapter(this); // Create a generic PendingIntent that will be deliver to this activity. The NFC stack // will fill in the intent with the details of the discovered tag before delivering to // this activity. mPendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0); // Setup an intent filter for all MIME based dispatches IntentFilter ndef = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED); try { ndef.addDataType("*/*"); } catch (MalformedMimeTypeException e) { throw new RuntimeException("fail", e); } mFilters = new IntentFilter[] { ndef, }; // Setup a tech list for all NfcF tags mTechLists = new String[][] { new String[] { NfcF.class.getName() } }; } @Override public void onResume() { super.onResume(); mAdapter.enableForegroundDispatch(this, mPendingIntent, mFilters, mTechLists); //CRASHES HERE BECAUSE mAdapter IS NULL } @Override public void onNewIntent(Intent intent) { Log.i("Foreground dispatch", "Discovered tag with intent: " + intent); mText.setText("Discovered tag " + ++mCount + " with intent: " + intent); } @Override public void onPause() { super.onPause(); mAdapter.disableForegroundDispatch(this); } } My manifest: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.neka.znacka" android:versionCode="1" android:versionName="1.0"> <uses-sdk android:minSdkVersion="10" /> <uses-permission android:name="android.permission.NFC"></uses-permission> <uses-feature android:name="android.hardware.nfc" android:required="true" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Uvodna" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="Simulator"> </activity> </application> Any ideas?

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• Android Frame by Frame Animation problem on elements in a CursorAdapter

  - by Pandalover

  I am having trouble applying an animation to a View. I am trying to load the animation from inside the constructor of a CursorAdapter, so I can set it later assign it to certain children in the list. In the constructor I have : shineAnimation = AnimationUtils.loadAnimation(ctx, R.anim.news_list_item_shine); the animation is in my res/anim dir <?xml version="1.0" encoding="utf-8"?> <animation-list xmlns:android="http://schemas.android.com/apk/res/android" android:oneshot="true"> <item android:drawable="@drawable/shine1" android:duration="200" /> <item android:drawable="@drawable/shine2" android:duration="200" /> <item android:drawable="@drawable/shine3" android:duration="200" /> <item android:drawable="@drawable/shine4" android:duration="200" /> <item android:drawable="@drawable/shine5" android:duration="200" /> </animation-list> I'm getting an exception : Unknown animation name: animation-list Help would be much appreciated Thanks S

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• Android Admob is not Showing Up

  - by Brandon

  Admob is not showing up on my emulator or on the device it self. I tried with testing mode on and off. Relevant Manifest data: permissions: <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" /> meta data: <meta-data android:value="true" android:name="AD_REQUEST" /> The x's are actually my ID. My whole main.xml: <com.admob.android.ads.AdView android:id="@+id/ad" android:layout_width="fill_parent" android:layout_height="wrap_content" android:visibility="visible" android:layout_alignParentTop="true"/> Hopefully I can get this solved soon...

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• How do compare dates when one of those are in string format in android

  - by Raj

  I am very much new to android so need some good help with a code example. I am getting a date in form of string from a server in the following format 2012-08-17 00:00:00 I want to compare this string with current date to find the difference between the dates in the form of year, months and days... I tried playing around it in the following code Date currentDate = new Date(System.currentTimeMillis()); Log.v("@@@@@@@@@","Current Date: " + currentDate); Date passDate = new SimpleDateFormat().parse(passDateString); Log.v("@@@@@@@@@","Pass Date: " + passDate); dateDifference = passDate.compareTo(currentDate); but it returned with following exception 04-15 12:08:29.101: V/@@@@@@@@@(1161): Current Date: Sun Apr 15 12:08:29 GMT+01:00 2012 04-15 12:08:29.101: W/System.err(1161): java.text.ParseException: Unparseable date: 2012-08-17 00:00:00 04-15 12:08:29.111: W/System.err(1161): at java.text.DateFormat.parse(DateFormat.java:645) 04-15 12:08:29.111: W/System.err(1161): at org.apis.PassesListItemAdapter.getView(PassesListItemAdapter.java:77) 04-15 12:08:29.111: W/System.err(1161): at android.widget.AbsListView.obtainView(AbsListView.java:1315) 04-15 12:08:29.111: W/System.err(1161): at android.widget.ListView.makeAndAddView(ListView.java:1727) 04-15 12:08:29.111: W/System.err(1161): at android.widget.ListView.fillDown(ListView.java:652) 04-15 12:08:29.111: W/System.err(1161): at android.widget.ListView.fillFromTop(ListView.java:709) 04-15 12:08:29.111: W/System.err(1161): at android.widget.ListView.layoutChildren(ListView.java:1580) 04-15 12:08:29.111: W/System.err(1161): at android.widget.AbsListView.onLayout(AbsListView.java:1147) 04-15 12:08:29.111: W/System.err(1161): at android.view.View.layout(View.java:7034) 04-15 12:08:29.111: W/System.err(1161): at android.widget.RelativeLayout.onLayout(RelativeLayout.java:909) 04-15 12:08:29.111: W/System.err(1161): at android.view.View.layout(View.java:7034) 04-15 12:08:29.111: W/System.err(1161): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 04-15 12:08:29.111: W/System.err(1161): at android.view.View.layout(View.java:7034) 04-15 12:08:29.111: W/System.err(1161): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 04-15 12:08:29.111: W/System.err(1161): at android.view.View.layout(View.java:7034) 04-15 12:08:29.111: W/System.err(1161): at android.view.ViewRoot.performTraversals(ViewRoot.java:1049) 04-15 12:08:29.111: W/System.err(1161): at android.view.ViewRoot.handleMessage(ViewRoot.java:1744) 04-15 12:08:29.111: W/System.err(1161): at android.os.Handler.dispatchMessage(Handler.java:99) 04-15 12:08:29.111: W/System.err(1161): at android.os.Looper.loop(Looper.java:144) 04-15 12:08:29.111: W/System.err(1161): at android.app.ActivityThread.main(ActivityThread.java:4937) 04-15 12:08:29.111: W/System.err(1161): at java.lang.reflect.Method.invokeNative(Native Method) 04-15 12:08:29.111: W/System.err(1161): at java.lang.reflect.Method.invoke(Method.java:521) 04-15 12:08:29.111: W/System.err(1161): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 04-15 12:08:29.111: W/System.err(1161): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 04-15 12:08:29.111: W/System.err(1161): at dalvik.system.NativeStart.main(Native Method) I am stuck... please help Raj

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• Android Animate Rotate

  - by oriharel

  I did some digging in Android code, and saw the use of in the indeterminate progress bar. after trying to create my own drawable with this tag: <animated-rotate xmlns:android="http://schemas.android.com/apk/res/android" android:drawable="@drawable/spinner_pia" android:pivotX="50%" android:pivotY="50%" android:framesCount="12" android:frameDuration="100" /> I get an error: "No resource identifier found for attribute 'frameDuration' in package 'android'" - which means that frameDuration is a private attribute. Is there a way to use this "animate-rotate" feature? My task is to replace the system's default indeterminate progress bar. I'd like to do it with as little code as possible (just change few attributes if possible). Using the ProgressBar view, setting: android:indeterminateOnly="true" android:indeterminateBehavior="cycle" android:indeterminateDuration="3500" android:indeterminateDrawable="@drawable/pia_sivuvator" and point "@drawable/pia_sivuvator" to that object would've make my task as elegant as they come but I'm stuck on those private attributes. help?

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• One intent is working, second is giving me a crash

  - by user1480742

  ok, so both intents receiver sides are on the same activite and they are sending from different ones....second one is not working, first one does, dont know why...all 3 activites are ok in manifest and all that //second intent on senders side public void onItemSelected(AdapterView<?> arg0, View users, int i, long l) { FILENAME = (adapter.getItem(i)).toString(); Bundle viewBag2 = new Bundle(); viewBag2.putString("profile_name", FILENAME); Intent b = new Intent(OptionsMenu.this, CoreActivity.class); b.putExtras(viewBag2); startActivity(b); } //second intent on receiver side private void Data_transfer() { Bundle gotbasket2 = getIntent().getExtras(); profileName = gotbasket2.getString("profile_name"); } //first (working intent) on senders side public void onClick(View v) { Bundle viewBag = new Bundle(); viewBag.putString("spinner_result", s); a.putExtras(viewBag); } //first (working intent) on receiver side private void Data_transfer() { // TODO Auto-generated method stub Bundle gotbasket = getIntent().getExtras(); x = gotbasket.getString("spinner_result"); } 06-26 20:22:09.787: D/AndroidRuntime(1802): Shutting down VM 06-26 20:22:09.787: W/dalvikvm(1802): threadid=1: thread exiting with uncaught exception (group=0x40015560) 06-26 20:22:09.847: E/AndroidRuntime(1802): FATAL EXCEPTION: main 06-26 20:22:09.847: E/AndroidRuntime(1802): java.lang.RuntimeException: Unable to start activity ComponentInfo{mioc.diver/mioc.diver.CoreActivity}: java.lang.NullPointerException 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.os.Handler.dispatchMessage(Handler.java:99) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.os.Looper.loop(Looper.java:123) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.ActivityThread.main(ActivityThread.java:3683) 06-26 20:22:09.847: E/AndroidRuntime(1802): at java.lang.reflect.Method.invokeNative(Native Method) 06-26 20:22:09.847: E/AndroidRuntime(1802): at java.lang.reflect.Method.invoke(Method.java:507) 06-26 20:22:09.847: E/AndroidRuntime(1802): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 06-26 20:22:09.847: E/AndroidRuntime(1802): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 06-26 20:22:09.847: E/AndroidRuntime(1802): at dalvik.system.NativeStart.main(Native Method) 06-26 20:22:09.847: E/AndroidRuntime(1802): Caused by: java.lang.NullPointerException 06-26 20:22:09.847: E/AndroidRuntime(1802): at mioc.diver.CoreActivity.Data_transfer(CoreActivity.java:189) 06-26 20:22:09.847: E/AndroidRuntime(1802): at mioc.diver.CoreActivity.onCreate(CoreActivity.java:88) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 06-26 20:22:09.847: E/AndroidRuntime(1802): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) 06-26 20:22:09.847: E/AndroidRuntime(1802): ... 11 more

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• Android, how to make two buttons next to each other with the same width

  - by user3674127

  Im trying to place two buttons on the xml next to each other and I want them both to be the same size(half from the width of the screen) - this is my xml: <LinearLayout android:layout_width="fill_parent" android:orientation="horizontal" android:id="@+id/linearLayout2" android:layout_height="fill_parent" android:gravity="bottom" android:weightSum="2"> <Button android:layout_weight="1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/bAddDelete" /> <Button android:layout_weight="1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/bMainMenu" /> </LinearLayout> Everything works well, but when im changing the text in java, the width is changing, how can I make them the same size? Thanks

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• debian lenny xen bridge networking problem

  - by Sasha

  DomU isn't talking to the world, but it talks to Dom0. Here are the tests that I made: Dom0 (external networking is working): ping 188.40.96.238 #Which is Domu's ip PING 188.40.96.238 (188.40.96.238) 56(84) bytes of data. 64 bytes from 188.40.96.238: icmp_seq=1 ttl=64 time=0.092 ms DomU: ping 188.40.96.215 #Which is Dom0's ip PING 188.40.96.215 (188.40.96.215) 56(84) bytes of data. 64 bytes from 188.40.96.215: icmp_seq=1 ttl=64 time=0.045 ms ping 188.40.96.193 #Which is the gateway - fail PING 188.40.96.193 (188.40.96.193) 56(84) bytes of data. ^C --- 188.40.96.193 ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 1013ms The system is debian lenny with a normal setup. Here is my configs: uname -a Linux green0 2.6.26-2-xen-686 #1 SMP Wed Aug 19 08:47:57 UTC 2009 i686 GNU/Linux cat /etc/xen/green1.cfg |grep -v '#' kernel = '/boot/vmlinuz-2.6.26-2-xen-686' ramdisk = '/boot/initrd.img-2.6.26-2-xen-686' memory = '2000' root = '/dev/xvda2 ro' disk = [ 'file:/home/xen/domains/green1/swap.img,xvda1,w', 'file:/home/xen/domains/green1/disk.img,xvda2,w', ] name = 'green1' vif = [ 'ip=188.40.96.238,mac=00:16:3E:1F:C4:CC' ] on_poweroff = 'destroy' on_reboot = 'restart' on_crash = 'restart' ifconfig eth0 Link encap:Ethernet HWaddr 00:24:21:ef:2f:86 inet addr:188.40.96.215 Bcast:188.40.96.255 Mask:255.255.255.192 inet6 addr: fe80::224:21ff:feef:2f86/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3296 errors:0 dropped:0 overruns:0 frame:0 TX packets:2204 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:262717 (256.5 KiB) TX bytes:330465 (322.7 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) peth0 Link encap:Ethernet HWaddr 00:24:21:ef:2f:86 inet6 addr: fe80::224:21ff:feef:2f86/64 Scope:Link UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:3407 errors:0 dropped:657431448 overruns:0 frame:0 TX packets:2291 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:319941 (312.4 KiB) TX bytes:338423 (330.4 KiB) Interrupt:16 Base address:0x8000 vif2.0 Link encap:Ethernet HWaddr fe:ff:ff:ff:ff:ff inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:27 errors:0 dropped:0 overruns:0 frame:0 TX packets:151 errors:0 dropped:33 overruns:0 carrier:0 collisions:0 txqueuelen:32 RX bytes:1164 (1.1 KiB) TX bytes:20974 (20.4 KiB) ip a s 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: peth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000 link/ether 00:24:21:ef:2f:86 brd ff:ff:ff:ff:ff:ff inet6 fe80::224:21ff:feef:2f86/64 scope link valid_lft forever preferred_lft forever 4: vif0.0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff 5: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 6: vif0.1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff 7: veth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 8: vif0.2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff 9: veth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 10: vif0.3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff 11: veth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 12: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 00:24:21:ef:2f:86 brd ff:ff:ff:ff:ff:ff inet 188.40.96.215/26 brd 188.40.96.255 scope global eth0 inet6 fe80::224:21ff:feef:2f86/64 scope link valid_lft forever preferred_lft forever 14: vif2.0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 32 link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff inet6 fe80::fcff:ffff:feff:ffff/64 scope link valid_lft forever preferred_lft forever brctl show bridge name bridge id STP enabled interfaces eth0 8000.002421ef2f86 no peth0 vif2.0 ip r l Dom0: 188.40.96.192/26 dev eth0 proto kernel scope link src 188.40.96.215 default via 188.40.96.193 dev eth0 DomU: 188.40.96.192/26 dev eth0 proto kernel scope link src 188.40.96.238 default via 188.40.96.193 dev eth0

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• ArrayAdapter and ListView - ArrayIndexOutOfBoundsException

  - by synic

  I'm really hoping someone can help me out with this one. I've been stuck on it forever. Occasionally, when someone is using my app, it'll force close with this exception: java.lang.ArrayIndexOutOfBoundsException at android.widget.AbsListView$RecycleBin.addScrapView(AbsListView.java:3572) at android.widget.AbsListView.trackMotionScroll(AbsListView.java:2487) at android.widget.AbsListView.onTouchEvent(AbsListView.java:2001) at android.widget.ListView.onTouchEvent(ListView.java:3234) at android.view.View.dispatchTouchEvent(View.java:3709) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:874) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1695) at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1116) at android.app.Activity.dispatchTouchEvent(Activity.java:2068) at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1679) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1695) at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1116) at android.app.Activity.dispatchTouchEvent(Activity.java:2068) at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1679) at android.view.ViewRoot.handleMessage(ViewRoot.java:1697) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4568) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) at dalvik.system.NativeStart.main(Native Method) However, I cannot figure out why. It's relatively rare, non-reproducable, and the stacktrace is completely unhelpful because it doesn't include any of my code. Is it a bug in Android itself?

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• SlidingDrawer overlap the listview

  - by vycon

  protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); cursor = fetchAllDiary(); this.setListAdapter(new DiaryListAdapter(this, cursor, true)); View drawer_view = mInflater.inflate(R.layout.drawer, null); LayoutParams params = new LayoutParams(200,150); getWindow().addContentView(drawer_view, params); } <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/frameLayout"> <SlidingDrawer android:id="@+id/diary_list_row_drawer" android:layout_height="wrap_content" android:handle="@+id/handle" android:content="@+id/content" android:orientation="vertical" android:layout_width="fill_parent" android:topOffset="50px"> <ImageView android:id="@id/handle" android:layout_width="fill_parent" android:layout_height="wrap_content" android:src="@drawable/bottom_switcher_collapsed" /> <LinearLayout android:id="@id/content" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@color/backround_color_lightblue1"> <Button android:text="Button01" android:id="@+id/Button01" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <Button android:text="Button02" android:id="@+id/Button02" android:layout_width="wrap_content" android:layout_height="wrap_content"/> </LinearLayout> </SlidingDrawer> </LinearLayout>

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• Activity has leaked window that was originally added

  - by Pentium10

  What's this error, why happens? 05-17 18:24:57.069: ERROR/WindowManager(18850): Activity com.mypkg.myP has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44c46ff0 that was originally added here 05-17 18:24:57.069: ERROR/WindowManager(18850): android.view.WindowLeaked: Activity ccom.mypkg.myP has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44c46ff0 that was originally added here 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.ViewRoot.<init>(ViewRoot.java:231) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.Window$LocalWindowManager.addView(Window.java:424) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.Dialog.show(Dialog.java:239) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.mypkg.myP$PreparePairingLinkageData.onPreExecute(viewP.java:183) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.os.AsyncTask.execute(AsyncTask.java:391) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.mypkg.myP.onCreate(viewP.java:94) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2544) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.access$2200(ActivityThread.java:126) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.os.Handler.dispatchMessage(Handler.java:99) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.os.Looper.loop(Looper.java:123) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.main(ActivityThread.java:4595) 05-17 18:24:57.069: ERROR/WindowManager(18850): at java.lang.reflect.Method.invokeNative(Native Method) 05-17 18:24:57.069: ERROR/WindowManager(18850): at java.lang.reflect.Method.invoke(Method.java:521) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 05-17 18:24:57.069: ERROR/WindowManager(18850): at dalvik.system.NativeStart.main(Native Method)

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• Theme change doesn't work on <4.0 as it should

  - by user1717276

  I have some difficulties with setting up a "theme switcher" programmatically. I would like to switch themes from app (between White (Theme.Light.NoTitleBar) and Dark (Theme.Black.NoTitleBar)) and what I do is: I set a SharedPreference: final String PREFS_NAME = "MyPrefsFile"; final SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0); final SharedPreferences.Editor editor = settings.edit(); and than I have a two buttons to switch themes (second one is almost identical) Button ThemeWhite = (Button) findViewById(R.id.ThemeWhite); ThemeWhite.setOnClickListener(new OnClickListener() { public void onClick(View v) { editor.putBoolean("Theme", false); editor.commit(); System.exit(2); } }); and in begging of each activity I check SharedPreference boolean theme = settings.getBoolean("Theme", false); if(theme){ this.setTheme(R.style.Theme_NoBarBlack); } else{ this.setTheme(R.style.Theme_NoBar); } setContentView(R.layout.aplikacja); I define themes in file styles.xml in folder values: <resources> <style name="Theme.NoBar" parent="@android:style/Theme.Light.NoTitleBar" /> <style name="Theme.NoBarBlack" parent="@android:style/Theme.NoActionBar" /> in values-v11: <resources> <style name="Theme.NoBar" parent="@android:style/Theme.Holo.Light.NoActionBar" /> <style name="Theme.NoBarBlack" parent="@android:style/Theme.Holo.NoActionBar" /> in values-v14: <resources> <style name="Theme.NoBar" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar" /> <style name="Theme.NoBarBlack" parent="@android:style/Theme.DeviceDefault.NoActionBar" /> manifest file: <application android:theme="@style/Theme.NoBar" > Everything is working excellent on android 4.0 but when I use 2.2 it doesn't change theme - just font is getting white as it should be but there is no dark background. I tried checking if it at least works and changed Theme.NoBarBlack in values (for android <3.0) and its value the same as Theme.NoBar and then when I pressed button font wasn't changed -as it should do.

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• Native functions throw UnsatisfiedLinkError in custom view, despite working in main activity

  - by Mark Ingram

  For some reason I can only call native functions from my main activity and not any custom views that I've created. Here is an example file (I followed a tutorial, but renamed the classes http://mindtherobot.com/blog/452/android-beginners-ndk-setup-step-by-step/) See the usage of the native function "getNewString". package com.example.native; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.os.Bundle; import android.view.View; public class NativeTestActivity extends Activity { static { System.loadLibrary("nativeTest"); } private native String getNewString(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(new BitmapView(this)); String hello = getNewString(); // This line works fine new AlertDialog.Builder(this).setMessage(hello).show(); } } class BitmapView extends View { static { System.loadLibrary("nativeTest"); } private native String getNewString(); public BitmapView(Context context) { super(context); String hello = getNewString(); // This line throws the UnsatisfiedLinkError new AlertDialog.Builder(this.getContext()).setMessage(hello).show(); } } How can I call native functions in my custom views? I've built the application as an Android 2.2 app. I'm running the application on my HTC Desire. I have the latest SDK (9) and latest NDK (r5).

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• View layout after setvisibility

  - by user1478296

  I've got problem with setting visibility to relative layout. I have part of big layout in relativelayout and below that next TextView. But in my code, when myRelativeLayout.setVisibility(View.GONE); is called, TextView which is below that did not appear. I tried several ways to rearange layout, but i need that textview under it. Thanks My XML: <merge xmlns:android="http://schemas.android.com/apk/res/android" > <ScrollView android:id="@+id/scrollView_liab_ra_flipper_04" android:layout_width="fill_parent" android:layout_height="wrap_content" > <RelativeLayout android:id="@+id/linearLayout_liab_ra_flipper_04" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:id="@+id/someTextView" android:text="Something" /> <!-- This relative layout should be removable --> <RelativeLayout android:id="@+id/vg_liab_ra_04_flipper_car_container_visible" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/someTextView" > <TextView android:id="@+id/tv_1" style="@style/WhiteFormText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="15dp" android:layout_marginTop="2dp" android:text="@string/licence_plate_counter" > </TextView> <EditText android:id="@+id/et_1" style="@style/WhiteFormField" android:layout_below="@+id/tv_1" android:hint="@string/licence_plate_hint" > </EditText> </RelativeLayout> <!-- This textview is not visible if relative layout is gone --> <TextView android:id="@+id/tv_liab_ra_04_flipper_mandat" style="@style/WhiteFormTextHint" android:layout_below="@+id/vg_liab_ra_04_flipper_car_container_visible" android:layout_marginBottom="15dp" android:text="@string/mandatory_field" > </TextView> </RelativeLayout> </ScrollView> </merge> Java Code: private void hideCar() { if (!accident.getParticipant(0)) { rlCarContainer.setVisibility(View.GONE); } else { rlCarContainer.setVisibility(View.VISIBLE); } }

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• Layout resize animation

  - by Marcin Sosna

  I have layout: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <LinearLayout android:id="@+id/main_fragment_container" android:layout_width="fill_parent" android:layout_height="fill_parent"> <RelativeLayout android:id="@+id/left_fragments_layout" android:layout_width="0dip" android:layout_height="fill_parent" android:layout_weight="1" android:background="#00F"> </RelativeLayout> <RelativeLayout android:id="@+id/graph_fragment_container" android:layout_width="0dip" android:layout_height="fill_parent" android:layout_weight="2.2" android:background="#666"> </RelativeLayout> <RelativeLayout android:id="@+id/right_fragments_layout" android:layout_width="0dip" android:layout_height="fill_parent" android:layout_weight="1" android:background="#00F"> </RelativeLayout> When I set visibility to GONE on left and right fragment container then they are animated to left and right. I try to set scale animation on resize center graph_fragment_container, my code: <scale android:fromXScale="100%" android:toXScale="50%" android:fillAfter="true" android:fillEnabled="true" android:duration="7000" /> Java code: Animation toLeftOut = AnimationUtils.loadAnimation( MainActivity.this, R.anim.to_left_out ); Animation toRightOut = AnimationUtils.loadAnimation( MainActivity.this, R.anim.to_right_out ); Animation scale = AnimationUtils.loadAnimation( MainActivity.this, R.anim.scal ); graphContainer.startAnimation( scale ); leftFragmentsLayout.startAnimation( toLeftOut ); rightFragmentsLayout.startAnimation( toRightOut ); Now graphContainer was resize after right and left layout animation end, and user see a grey backgound before center layout was resize.

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• How can I make a home widget behave like a launcher icon?

  - by Tughi

  I have a widget that acts as a launcher on the home screen. How can I make it behave like a launcher icon? I use this layout for portrait: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <RelativeLayout android:background="@drawable/widget_background_selector" android:focusable="true" android:layout_width="74dip" android:layout_height="79dip" android:layout_marginLeft="3dip" android:layout_marginTop="14dip"> <ImageView android:id="@android:id/background" android:layout_width="72dip" android:layout_height="72dip" android:layout_marginLeft="1dip" android:layout_marginTop="4dip" /> </RelativeLayout> </RelativeLayout> And this is the background selector: <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:drawable="@drawable/widget_background_pressed" /> <item android:state_window_focused="true" android:state_focused="true" android:drawable="@drawable/widget_background_focused" /> <item android:state_window_focused="false" android:state_focused="true" android:drawable="@android:color/transparent" /> </selector> This way if I use the DPAD the widget is focusable but the click doesn't work. The touch still works but the widget is not displayed as focused. Any idea what I do wrong?

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• AVD Error: No compatible targets were found. Do you wish to add a new Android Virtual Device?

  - by cdonner

  I must be missing something. Help! My manifest contains: <manifest ...> <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="7" android:maxSdkVersion="10" /> <application ... I have all API packages installed (through 7 - Android 2.1). Whenever I try to run or debug my app in the emulator, reglardless of which version I start, I get the message in the subject line and I have to click on Cancel in order to continue. After that, the device chooser appears: and I can select a device and the app starts up fine in the Emulator. What do the red Xs mean next to the target? When my Nexus One is cradled, I do not get the warning that there is no compatible device. I can live with the extra click, but I am concerned that my up does not properly register the target API level and that this will cause problems once uploaded to the market.

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• Is it possible to read data that has been separately copied to the Android sd card without having ro

  - by icecream

  I am developing an application that needs to access data on the sd card. When I run on my development device (an odroid with Android 2.1) I have root access and can construct the path using: File sdcard = Environment.getExternalStorageDirectory(); String path = sdcard.getAbsolutePath() + File.separator + "mydata" File data = new File(path); File[] files = data.listFiles(new FilenameFilter() { @Override public boolean accept(File dir, String filename) { return filename.toLowerCase().endsWith(".xyz"); }}); However, when I install this on a phone (2.1) where I do not have root access I get files == null. I assume this is because I do not have the right permissions to read the data from the sd card. I also get files == null when just trying to list files on /sdcard. So the same applies without my constructed path. Also, this app is not intended to be distributed through the app store and is needs to use data copied separately to the sd card so this is a real use-case. It is too much data to put in res/raw (I have tried, it did not work). I have also tried adding: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> to the manifest, even though I only want to read the sd card, but it did not help. I have not found a permission type for reading the storage. There is probably a correct way to do this, but I haven't been able to find it. Any hints would be useful.

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• android alarm not able to launch alarm activity

  - by user965830

  I am new to android programming and am trying to make this simple alarm app. I have my code written and it is compiled with no errors. The app runs in the emulator, that is the main activity asks the date and time, but when i click on the confirm button, it displays the message - "Unfortunately, Timer1 has stopped working." The code for my main activity is as follows: public void onClick(View v) { EditText date = (EditText) findViewById(R.id.editDate); EditText month = (EditText) findViewById(R.id.editMonth); EditText hour = (EditText) findViewById(R.id.editHour); EditText min = (EditText) findViewById(R.id.editMin); int dt = Integer.parseInt(date.getText().toString()); int mon = Integer.parseInt(month.getText().toString()); int hr = Integer.parseInt(hour.getText().toString()); int mnt = Integer.parseInt(min.getText().toString()); Intent myIntent = new Intent(MainActivity.this, AlarmActivity.class); pendingIntent = PendingIntent.getService(MainActivity.this, 0, myIntent, 0); AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE); Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.DATE, dt); calendar.set(Calendar.MONTH, mon); calendar.set(Calendar.HOUR, hr); calendar.set(Calendar.MINUTE, mnt); alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent); } I do not understand what all the errors in logcat mean, so i am posting them: 06-25 16:03:32.175: I/Process(566): Sending signal. PID: 566 SIG: 9 06-25 16:03:53.775: I/dalvikvm(612): threadid=3: reacting to signal 3 06-25 16:03:54.046: I/dalvikvm(612): Wrote stack traces to '/data/anr/traces.txt' 06-25 16:03:54.255: I/dalvikvm(612): threadid=3: reacting to signal 3 06-25 16:03:54.305: I/dalvikvm(612): Wrote stack traces to '/data/anr/traces.txt' 06-25 16:03:54.735: I/dalvikvm(612): threadid=3: reacting to signal 3 06-25 16:03:54.785: I/dalvikvm(612): Wrote stack traces to '/data/anr/traces.txt' 06-25 16:03:54.925: D/gralloc_goldfish(612): Emulator without GPU emulation detected. 06-25 16:05:09.605: D/AndroidRuntime(612): Shutting down VM 06-25 16:05:09.605: W/dalvikvm(612): threadid=1: thread exiting with uncaught exception (group=0x409c01f8) 06-25 16:05:09.685: E/AndroidRuntime(612): FATAL EXCEPTION: main 06-25 16:05:09.685: E/AndroidRuntime(612): java.lang.NumberFormatException: Invalid int: "android.widget.EditText@41030b40" 06-25 16:05:09.685: E/AndroidRuntime(612): at java.lang.Integer.invalidInt(Integer.java:138) 06-25 16:05:09.685: E/AndroidRuntime(612): at java.lang.Integer.parse(Integer.java:375) 06-25 16:05:09.685: E/AndroidRuntime(612): at java.lang.Integer.parseInt(Integer.java:366) 06-25 16:05:09.685: E/AndroidRuntime(612): at java.lang.Integer.parseInt(Integer.java:332) 06-25 16:05:09.685: E/AndroidRuntime(612): at com.kapymay.tversion1.MainActivity$1.onClick(MainActivity.java:34) 06-25 16:05:09.685: E/AndroidRuntime(612): at android.view.View.performClick(View.java:3511) 06-25 16:05:09.685: E/AndroidRuntime(612): at android.view.View$PerformClick.run(View.java:14105) 06-25 16:05:09.685: E/AndroidRuntime(612): at android.os.Handler.handleCallback(Handler.java:605) 06-25 16:05:09.685: E/AndroidRuntime(612): at android.os.Handler.dispatchMessage(Handler.java:92) 06-25 16:05:09.685: E/AndroidRuntime(612): at android.os.Looper.loop(Looper.java:137) 06-25 16:05:09.685: E/AndroidRuntime(612): at android.app.ActivityThread.main(ActivityThread.java:4424) 06-25 16:05:09.685: E/AndroidRuntime(612): at java.lang.reflect.Method.invokeNative(Native Method) 06-25 16:05:09.685: E/AndroidRuntime(612): at java.lang.reflect.Method.invoke(Method.java:511) 06-25 16:05:09.685: E/AndroidRuntime(612): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 06-25 16:05:09.685: E/AndroidRuntime(612): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 06-25 16:05:09.685: E/AndroidRuntime(612): at dalvik.system.NativeStart.main(Native Method) 06-25 16:05:10.445: I/dalvikvm(612): threadid=3: reacting to signal 3 06-25 16:05:10.575: I/dalvikvm(612): Wrote stack traces to '/data/anr/traces.txt'

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• How can I run an app's source code that I got from the Android source code?

  - by Wesley

  For all of you android devs out there that have the Android simulator running on your comp, you know that there are a few built in apps that are already 'installed' on your phone. I had an idea for an app that would utilize a function that is already being done in the spare parts app. I went on to the android developer site, dug through the source code files, and found the spare parts app, and am now trying to set it up so that running it from eclipse on my machine actually runs the app in the simulator. In other words, I want to be able to make changes to and adjust some of the things in that app for my own needs. But it won't compile, because of a number of different errors. How do I get that source code running on my local machine? Is there some special trick that I just dont know about? I thought that if I could get the source code than the rest would be easy, but it isn't being too easy. Any help here would be appreciated!!

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• Cannot understand NullPointerException with custom adapter

  - by ganesh

  hi, I am trying to create a list view which as TextView that can display html content , an WebView and other basic TextViews.I tried to extend SimpleAdapter but i struck with the problem ,I will be glad if someone can point out the mistake i am doing. In onCreate method ArrayList mylist= resultfromXmlparser(); adap = new MyAdapter(TourLandingPage.this, mylist, R.layout.row, new String[] {"Name", "desc","Duration","Price","imgurl"}, new int[] {R.id.productname,R.id.des,R.id.duration,R.id.pricefrom,R.id.photo}); setListAdapter(adap); My custom Adapter looks like this private class MyAdapter extends SimpleAdapter { ArrayList<HashMap<String,String>> elements; Context ctx; public MyAdapter(Context context, ArrayList<HashMap<String,String>> mylist,int textViewResourceId,String[] names,int[] resouceid) { super(context, mylist,textViewResourceId, names,resouceid); this.elements=mylist; this.ctx=context; } @Override public int getCount() { return elements.size(); } @Override public Object getItem(int position) { return elements.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { RelativeLayout rowLayout; if (convertView == null) { rowLayout = (RelativeLayout) LayoutInflater.from(ctx).inflate(R.layout.rowfor_tourlist, parent, false); } else { rowLayout = (RelativeLayout) convertView; } TextView in = (TextView)rowLayout.findViewById(R.id.introduction); TextView du = (TextView)rowLayout.findViewById(R.id.duration); TextView pf = (TextView)rowLayout.findViewById(R.id.pricefrom); TextView pn = (TextView)rowLayout.findViewById(R.id.productname); WebView wv=(WebView)rowLayout.findViewById(R.id.photo); in.setText(Html.fromHtml(mylist.get(position).get("desc"))); du.setText(mylist.get(position).get("Duration")); pf.setText(mylist.get(position).get("Price")); pn.setText(mylist.get(position).get("Name")); wv.getSettings().setJavaScriptEnabled(true); wv.loadUrl(mylist.get(position).get("imgurl")); return convertView; } }//class and my row.xml file looks like RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" TextView android:id="@+id/productname" ...... LinearLayout android:layout_width="wrap_content" android:layout_height="60dip" android:layout_margin="5dip" android:layout_below="@id/productname" android:orientation="horizontal" android:id="@+id/lay1" WebView android:id="@+id/photo" .... TextView android:id="@+id/introduction" ...... LinearLayout TextView android:id="@+id/duration" .... TextView android:id="@+id/pricefrom" ..... RelativeLayout The error i was getting was 04-28 19:46:17.749: ERROR/AndroidRuntime(976): Uncaught handler: thread main exiting due to uncaught exception 04-28 19:46:17.769: ERROR/AndroidRuntime(976): java.lang.NullPointerException 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.ListView.setupChild(ListView.java:1693) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.ListView.makeAndAddView(ListView.java:1671) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.ListView.fillDown(ListView.java:637) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.ListView.fillFromTop(ListView.java:694) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.ListView.layoutChildren(ListView.java:1521) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.AbsListView.onLayout(AbsListView.java:1113) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.View.layout(View.java:6831) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1108) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.onLayout(LinearLayout.java:920) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.View.layout(View.java:6831) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.View.layout(View.java:6831) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.View.layout(View.java:6831) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.View.layout(View.java:6831) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.View.layout(View.java:6831) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.ViewRoot.performTraversals(ViewRoot.java:996) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.view.ViewRoot.handleMessage(ViewRoot.java:1633) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.os.Handler.dispatchMessage(Handler.java:99) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.os.Looper.loop(Looper.java:123) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at android.app.ActivityThread.main(ActivityThread.java:4338) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at java.lang.reflect.Method.invokeNative(Native Method) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at java.lang.reflect.Method.invoke(Method.java:521) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 04-28 19:46:17.769: ERROR/AndroidRuntime(976): at dalvik.system.NativeStart.main(Native Method) 04-28 19:46:17.789: INFO/Process(52): Sending signal. PID: 976 SIG: 3 04-28 19:46:17.799: INFO/dalvikvm(976): threadid=7: reacting to signal 3 04-28 19:46:17.829: INFO/dalvikvm(976): Wrote stack trace to '/data/anr/traces.txt'

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• Confusion on networking service start/stop in Ubuntu

  - by Daniel Ball

  I'm preparing to move and took down two of my servers, leaving only one with some essential services running. What I neglected to consider was that one was the DHCP server(which I realized when somebody contacted me saying they couldn't connect. Whups). So because I only have a few hosts on this small network, I opted to just statically configure them for now. One of these is a new Ubuntu 11.04 server, where I have very little experience. I edited /etc/network/interfaces and /etc/hosts to reflect my changes. I ran $sudo /etc/init.d/networking stop *deconfiguring network interfaces ... So yay. Then I try to start, it gives me the mumbo jumbo about using services (why didn't it do that for the stop?) So instead I run ... $sudo service networking start networking stop/waiting Now, to me that says the status of the service is stopped. But when I ping another computer, I get a successful reply. So is it not actually stopped? More importantly, am I doing something wrong? Edit daniel@FOOBAR:~$ sudo service networking status networking stop/waiting daniel@FOOBAR:~$ sudo service networking stop stop: Unknown instance: daniel@FOOBAR:~$ sudo service networking status networking stop/waiting daniel@FOOBAR:~$ sudo service networking start networking stop/waiting daniel@FOOBAR:~$ sudo service networking status networking stop/waiting So you can see why I ran /etc/init.d/networking stop instead. For some reason upstart (that is what "services" is, right?) isn't working with stop. cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 FOOBAR 198.3.9.2 FOOBAR #Added entry July 19 2011 # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface #auto eth0 #iface eth0 inet dhcp # hostname FOOBAR auto eth0 iface eth0 inet static address 198.3.9.2 netmask 255.255.255.0 network 198.3.9.0 broadcast 198.3.9.255 gateway 198.3.9.15 No I didn't save backups, it was just a minor change so I just commented out the old DHCP setting. Edit I set everything back to original settings and set up a DHCP server. "starting" networking does the same thing. I can only assume this is normal, I just don't know WHY. It can't be anything to do with the configuration files, since they've been restored.

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• Can I give my app my own ads? (iOS/Android)

  - by aldo.roman.nurena

  I want to know if I can develop my app on iOS and Android (no matter how, that's another thread) and give them my own ads, not the ones provided by them. This way I make the deals with customers directly. Implementation does not seem to be hard. The hard question is: will I get approved on the stores? It would be a free app with 3rd-party-ads Thanks! PS: I know I can distribute APKs out of the GPlay, but I don't want to do this. PS2: bonus points for WP/BB info, but not critical

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• Android's EditText is hidden when the virtual keyboard is shown and a SurfaceView is involved

  - by Jan

  I have a simple user interface: an EditText should be located below a SurfaceView. I use a RelativeLayout to arrange these two views. Now, when I tap on the EditText to open the virtual keyboard the SurfaceView slides up but the EditText is hidden and does not show the typed string. To reproduce, use the following layout XML code: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/RelativeLayout01" android:layout_height="fill_parent" android:layout_width="fill_parent"> <SurfaceView android:id="@+id/SurfaceView01" android:layout_width="fill_parent" android:layout_height="wrap_content"> </SurfaceView> <EditText android:id="@+id/EditText01" android:layout_height="wrap_content" android:layout_width="fill_parent" android:layout_alignParentLeft="true" android:layout_alignParentBottom="true" android:selectAllOnFocus="true" android:textStyle="normal" android:singleLine="true"> </EditText> </RelativeLayout> The main Activity class only needs to show the layout. When I start the program and tap the EditText, the virtual keyboard appears but the EditText field is gone. Maybe the RelativeLayout is causing the problems, but I don't know how to reproduce the same layout with another Layout class. Any suggestions are welcome, I really appreciate your help. Thanks. Edit: Here are two screenshots, one showing the EditText at the bottom without virtual keyboard, one with virtual keyboard but with no EditText. It is interesting to note that the SurfaceView and the EditText actually shift upward, the EditText just disappears. BTW this also happens to a button if it is next to the EditText. EditText below a SurfaceView (left); EditText is gone (right)

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