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  • Android - Display HTML Formatted String

    - by Soren
    I need an example of how to display the strings that I have marked up with simple html into a TextView. I have found "Spanned fromHtml(String source)", but I don't know how to plug it into my java code. Here is my Java: package com.SorenWinslow.TriumphHistory; import android.app.ListActivity; import android.os.Bundle; import android.widget.ArrayAdapter; public class TriumphHistory extends ListActivity { String[] HistoryList; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ArrayAdapter<String> adapter; HistoryList = getResources().getStringArray(R.array.history); adapter = new ArrayAdapter<String> (this,R.layout.historylistlayout,HistoryList); setListAdapter(adapter); } } Here is a sample of history: <?xml version="1.0" encoding="utf-8"?> <resources> <string-array name="history"> <item><b>1883</b><br/>Some stuff happened</item> <item><b>1884</b><br/>Some more stuff happened <i>before</i> the other stuff </item> <resources> Here is my historylistlayout.xml: <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/text1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:gravity="center_vertical" android:textColor="#ffffff" android:background="#000050" android:layout_marginTop="5px" android:minHeight="?android:attr/listPreferredItemHeight" android:padding="3px" android:textSize="8pt" android:layout_gravity="top|left"/> And here is my main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:textColor="#ffffff" android:background="#000080" android:isScrollContainer="true" android:layout_height="fill_parent" android:layout_width="fill_parent" android:scrollbarStyle="insideOverlay"> <ListView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content" android:clickable="true" android:dividerHeight="1px"/> </LinearLayout>

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  • Android ListView delete row button - focus issue

    - by Max Gontar
    I have an activity with ListView and buttons below: <?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:orientation="vertical"> <ListView android:id="@+id/lvLamps" android:layout_width="fill_parent" android:layout_height="fill_parent" android:listSelector="@null" android:choiceMode="none" android:scrollbarStyle="insideInset" android:layout_weight="1.0" /> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_weight="0.0"> <Button android:id="@+id/btnAdd" android:background="@null" android:drawableLeft="@drawable/btn_upgrade" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableRight="@drawable/lbl_upgrade" android:textSize="0pt" android:text="" android:layout_alignParentLeft="true" android:padding="20px" /> <Button android:id="@+id/btnNext" android:background="@null" android:drawableRight="@drawable/next_btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableLeft="@drawable/lbl_next" android:textSize="0pt" android:text="" android:layout_alignParentRight="true" android:padding="20px" android:visibility="gone" /> <ImageButton android:id="@+id/btnListExit" android:background="@null" android:src="@drawable/btn_x" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:padding="20px" /> </RelativeLayout> </LinearLayout> ListView row contains delete button: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:focusable="true"> <RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:focusable="true"> <ImageButton android:id="@+id/btnRowDelete" android:src="@drawable/btn_x" android:background="@null" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:padding="4px" android:focusable="true" android:focusableInTouchMode="true"/> <TextView android:id="@+id/txtLampRowFrom" android:text="123" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="6pt" android:layout_toRightOf="@id/btnRowDelete" android:focusable="false" android:textColor="@color/textColor"/> <TextView android:id="@+id/txtLampRowTo" android:text="123" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="6pt" android:layout_toRightOf="@id/btnRowDelete" android:layout_alignParentBottom="true" android:focusable="false" android:textColor="@color/textColor"/> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/arrow_upgrade_to" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:focusable="false"/> </RelativeLayout> </LinearLayout> In Adapter, Button onClickListener is set, also there are dummies to make list non-selectable: // disabling list items select public boolean areAllItemsEnabled() { return false; } public boolean isEnabled(int position) { return false; } What I want is: always show buttons in the bottom of screen after list (no matter how long it is, there should be scroll if it's too long) ListView should not be selectable, I don't want row selection row delete button should be selectable (focusable) with touch and with trackball And everything works except I can't focus row delete button with trackball (although it's working with touch). Can you help me? Thanks!

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  • How to Hide the UIbarbutton on navigation bar

    - by abhimanyu jindal
    hi i have created a bar button which displays Done when the editing of the text view starts. what actually i need that when i press the done button then the the editable property of textview will become false and the done button hides. i am done with the first part but how to hide the bar button? please help..

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  • Android: How can i access email addresses in android

    - by Maxood
    I have the following code through which i am able to retrieve phone numbers. Somehow , i am not able to retrieve email addresses by using android.provider.Contacts.People API. Any ideas? import android.app.AlertDialog; import android.app.ExpandableListActivity; import android.content.ContentUris; import android.content.Context; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.provider.Contacts.People; import android.view.View; import android.widget.ExpandableListAdapter; import android.widget.SimpleCursorTreeAdapter; import android.widget.TextView; import android.widget.ExpandableListView.OnChildClickListener; public class ShowContacts extends ExpandableListActivity implements OnChildClickListener { private int mGroupIdColumnIndex; private String mPhoneNumberProjection[] = new String[] { People.Phones._ID, People.NUMBER // CHANGE HERE }; private ExpandableListAdapter mAdapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Query for people Cursor groupCursor = managedQuery(People.CONTENT_URI, new String[] {People._ID, People.NAME}, null, null, null); // Cache the ID column index mGroupIdColumnIndex = groupCursor.getColumnIndexOrThrow(People._ID); // Set up our adapter mAdapter = new MyExpandableListAdapter(groupCursor, this, android.R.layout.simple_expandable_list_item_1, android.R.layout.simple_expandable_list_item_1, new String[] {People.NAME}, // Name for group layouts new int[] {android.R.id.text1}, new String[] {People.NUMBER}, // AND CHANGE HERE new int[] {android.R.id.text1}); setListAdapter(mAdapter); } public class MyExpandableListAdapter extends SimpleCursorTreeAdapter { public MyExpandableListAdapter(Cursor cursor, Context context, int groupLayout, int childLayout, String[] groupFrom, int[] groupTo, String[] childrenFrom, int[] childrenTo) { super(context, cursor, groupLayout, groupFrom, groupTo, childLayout, childrenFrom, childrenTo); } @Override protected Cursor getChildrenCursor(Cursor groupCursor) { // Given the group, we return a cursor for all the children within that group // Return a cursor that points to this contact's phone numbers Uri.Builder builder = People.CONTENT_URI.buildUpon(); ContentUris.appendId(builder, groupCursor.getLong(mGroupIdColumnIndex)); builder.appendEncodedPath(People.Phones.CONTENT_DIRECTORY); Uri phoneNumbersUri = builder.build(); return managedQuery(phoneNumbersUri, mPhoneNumberProjection, null, null, null); } } @Override public boolean onChildClick(android.widget.ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { AlertDialog dialog = new AlertDialog.Builder(ShowContacts.this) .setMessage(((TextView) v).getText().toString()) .setPositiveButton("OK", null).create(); dialog.show(); return true; } }

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  • Andorid - Display HTML Formatted String

    - by Soren
    I need an example how to display the strings that I have marked up with simple html into a TextView. I have found "Spanned fromHtml(String source)", but I don't know how to plug it into my java code. Here is my Java: package com.SorenWinslow.TriumphHistory; import android.app.ListActivity; import android.os.Bundle; import android.widget.ArrayAdapter; public class TriumphHistory extends ListActivity { String[] HistoryList; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ArrayAdapter<String> adapter; HistoryList = getResources().getStringArray(R.array.history); adapter = new ArrayAdapter<String> (this,R.layout.historylistlayout,HistoryList); setListAdapter(adapter); } } Here is a sample of history: <?xml version="1.0" encoding="utf-8"?> <resources> <string-array name="history"> <item><b>1883</b><br/>Some stuff happened</item> <item><b>1884</b><br/>Some more stuff happened <i>before</i> the other stuff </item> <resources> Here is my historylistlayout.xml: <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/text1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:gravity="center_vertical" android:textColor="#ffffff" android:background="#000050" android:layout_marginTop="5px" android:minHeight="?android:attr/listPreferredItemHeight" android:padding="3px" android:textSize="8pt" android:layout_gravity="top|left"/> And here is my main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:textColor="#ffffff" android:background="#000080" android:isScrollContainer="true" android:layout_height="fill_parent" android:layout_width="fill_parent" android:scrollbarStyle="insideOverlay"> <ListView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content" android:clickable="true" android:dividerHeight="1px"/> </LinearLayout>

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  • Syntax highlight in java for android

    - by Mohit Deshpande
    I want to build an notepad-style application on android that will have syntax highlighting. But when I search around the web, I find the syntax highlighting can be done only through use of an awt class. How could I syntax highlight in maybe a custom EditText or TextView view? I know that the release of a syntax highlighter is sort of anticipated, so I want to add my syntax highlighter on the market.

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  • iphone SDK Keyboard problem

    - by Elishiah
    I have a login view controller that has a button and a UI text view that becomes the first responder. When the button is clicked it loads the forgot view controller and a new UI textview becomes the first responder. When I dissmis the modal view controller the keyboard also gets dismissed and when I load the forgot view controller again the keyboard will not pop up as the first responder. (IBAction) backBeg: (id) sender{ [self dismissModalViewControllerAnimated:YES]; }

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  • Android Window Mananger leacked windwo progress dialog

    - by saravanan-palpandi
    05-14 16:53:52.273: ERROR/WindowManager(412): Activity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@43db2e68 that was originally added here 05-14 16:53:52.273: ERROR/WindowManager(412): android.view.WindowLeaked: Activity com.sss.client.AddClient has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@43db2e68 that was originally added here 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewRoot.(ViewRoot.java:227) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.Window$LocalWindowManager.addView(Window.java:424) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.app.Dialog.show(Dialog.java:239) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.app.ProgressDialog.show(ProgressDialog.java:107) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.app.ProgressDialog.show(ProgressDialog.java:90) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.app.ProgressDialog.show(ProgressDialog.java:85) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.sss.client.AddClient.searchValues(AddClient.java:236) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.sss.client.AddClient.clientFormAction(AddClient.java:264) 05-14 16:53:52.273: ERROR/WindowManager(412): at java.lang.reflect.Method.invokeNative(Native Method) 05-14 16:53:52.273: ERROR/WindowManager(412): at java.lang.reflect.Method.invoke(Method.java:521) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.View$1.onClick(View.java:2026) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.View.performClick(View.java:2364) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.View.onTouchEvent(View.java:4179) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.widget.TextView.onTouchEvent(TextView.java:6540) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.View.dispatchTouchEvent(View.java:3709) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.os.Handler.dispatchMessage(Handler.java:99) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.os.Looper.loop(Looper.java:123) 05-14 16:53:52.273: ERROR/WindowManager(412): at android.app.ActivityThread.main(ActivityThread.java:4363) 05-14 16:53:52.273: ERROR/WindowManager(412): at java.lang.reflect.Method.invokeNative(Native Method) 05-14 16:53:52.273: ERROR/WindowManager(412): at java.lang.reflect.Method.invoke(Method.java:521) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 05-14 16:53:52.273: ERROR/WindowManager(412): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 05-14 16:53:52.273: ERROR/WindowManager(412): at dalvik.system.NativeStart.main(Native Method) when show the dialog box it show the error message please do reply me

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  • Autocomplettextview filtered by input keys

    - by soclose
    Hi I use autocompletetextview with SimpleCursorAdapter to get data from sqlite. I'd like to get its drop down list started by the entered key. In my autocompletetextview, the list is not shown or filtered by input text. eg, If user enter "an", all text started with "an" will be seen in this list. In Java public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.new); txtPNo = (AutoCompleteTextView) findViewById(R.id.txtSTo); mDbHelper = new DBAdapter(this); mDbHelper.open(); SimpleCursorAdapter notes = fillToData(); txtPhoneNo.setAdapter(notes); } private SimpleCursorAdapter fillToData() { Cursor c = mDbHelper.getName(); startManagingCursor(c); String[] from = new String[] {DBAdapter.Name,DBAdapter.No1}; int[] to = new int[] {R.id.txtName,R.id.txtNo1}; Log.d(TAG, "cursor.getCount()=" + c.getCount()); SimpleCursorAdapter notes = new SimpleCursorAdapter(this, R.layout.autocomplete, c, from, to); return notes; } In new.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" android:background="#ffffff" > <AutoCompleteTextView android:id="@+id/txtSTo" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="18sp" android:textColor="#000000" android:hint="To" android:completionThreshold="1" android:selectAllOnFocus="true" android:layout_alignParentTop = "true" android:layout_alignParentLeft="true"/> </RelativeLayout> In autocomplete.xml <?xml version="1.0" encoding="utf-8"?> <TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:stretchColumns="0" android:padding="5dp"> <TableRow android:padding="5dp"> <LinearLayout android:orientation="vertical"> <TextView android:id="@+id/txtName" xmlns:android="http://schemas.android.com/apk/res/android" android:textColor="#000000" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <TextView android:id="@+id/txtNo1" xmlns:android="http://schemas.android.com/apk/res/android" android:textColor="#000000" android:layout_width="wrap_content" android:layout_height="wrap_content"/> </LinearLayout> </TableRow> </TableLayout> How to implement to get just filtered list?

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  • How we see the total content in EditText in android

    - by sairam333
    Thank u But after the Edit Text I use the Icons also .So,when i give Wrap_content for that Edittext The icons are displayed only half ,In below my code is there see that one once <TableRow android:layout_width="wrap_content" android:layout_height="fill_parent"> <TextView android:id="@+id/TextViewEmail" android:text="Email" android:textSize="15sp" android:paddingRight="4dip" android:textStyle="bold" android:layout_width="wrap_content" android:textColor="@android:color/white" android:layout_gravity="right|center" /> <EditText android:id="@+id/EditTextEmail" android:editable="false" android:clickable="false" android:textSize="15sp" android:layout_height="wrap_content" android:singleLine="true" android:layout_width="150sp"/>

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  • Android List with section headers

    - by user324661
    Hi, I'm trying to create a list with headers above a grouping of items. I was looking at SeperatedListAdapter available here: http://jsharkey.org/blog/2008/08/18/separating-lists-with-headers-in-android-09/ but I ran into an error (ERROR/AndroidRuntime(2025): java.lang.IllegalStateException: ArrayAdapter requires the resource ID to be a TextView ) Now I'm looking into more options including making a new one. Do you guys have any hints? Thanks, Bryon

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  • @ in AndroidManifest.xml file

    - by C.W.Holeman II
    From the O'Reilly book "Android Application Development " by Rick Rogers, John Lombardo, Zigurd Mednieks & Blake Meike: page 23: <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> page 44: <application android:icon="@drawable/icon2"> What is the meaning of the "@" in each of the above fragments?

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  • Numeric keyboard dismiss???

    - by shishir.bobby
    HI all, I am having a 2 textFeild and 1 textview. out of 2 textfeild,one textfield requires number to be filled in there. so for that i hv provided numeric keyboard. i m not able to dismiss numeric keyboard,since i cant c any option to hit the numeric keyboard dismiss. is it possible to dismiss numeric keyboard ?? if yes than can anyone guide me through. regards shishir

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  • LazyTable Listview in Android?

    - by Praveen Chandrasekaran
    how to achieve the lazy table concepts which is in iphone. that is the listview with the custom adapter that contains imageview as icon and textview as three rows. when scroll the listview it stacked up to scroll. i want to make it easy. the image content should load only the visible part of the list view. how to do that? Any Idea?

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  • Android : create RelativeLayout in Onclick Button?(Get Crash)

    - by A.A
    I have an Xml that add LinearLayout and RelativeLayout in ScrollView by programmatically.When i add Text with OnclickButton for first time show me message but for 2nd time get me crash : <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <ScrollView android:id="@+id/scrollID" android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1" > </ScrollView> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:baselineAligned="true" android:orientation="horizontal" android:paddingBottom="5dp" android:paddingLeft="5dp" android:paddingRight="5dp" android:weightSum="1" > <EditText android:id="@+id/txtInpuConversation" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="0.5" android:hint="Text" > <requestFocus /> </EditText> <Button android:id="@+id/btnSend" android:layout_width="0dip" android:layout_height="wrap_content" android:layout_weight="0.5" android:text="Click" /> </LinearLayout> </LinearLayout> My code : public class MainActivity extends Activity { String Medtconversation; EditText edtconversation; TextView txtviewUser; LinearLayout rilative; RelativeLayout relativeLayout; LinearLayout firstLinearLayout; ScrollView sclView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); edtconversation = (EditText) findViewById(R.id.txtInpuConversation); sclView = (ScrollView) findViewById(R.id.scrollID); Button btn = (Button) findViewById(R.id.btnSend); final Context context = this; btn.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { Medtconversation = edtconversation.getText().toString(); txtviewUser = new TextView(MainActivity.this); txtviewUser.setText(Medtconversation); relativeLayout = new RelativeLayout(context); firstLinearLayout= new LinearLayout(context); LayoutParams LLParamsT = new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT); relativeLayout.setLayoutParams(LLParamsT); relativeLayout.addView(txtviewUser, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); firstLinearLayout.setOrientation(LinearLayout.VERTICAL); LayoutParams LLParams = new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT); firstLinearLayout.setLayoutParams(LLParams); firstLinearLayout.addView(relativeLayout); Crash here now======>sclView.addView(firstLinearLayout, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); edtconversation.setText(""); } }); } } I need that when i click on Button and send message for 2nd time create a new RelativeLayout in LinearLayout for show.(In scrollView) Error : AndroidRuntime MainActivity$1.onClick(MainActivity.java:54)

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  • Android app crashes when I change the default xml layout file to another

    - by mib1413456
    I am currently just starting to learn android development and have created a basic "Hello world" app that uses "activity_main.xml" for the default layout. I tried to create a new layout xml file called "new_layout.xml" with a text view, a text field and a button and did the following changes in the MainActivity.java file: setContentView(R.layout.new_layout); I did nothing else expect for adding a new_layout.xml in the res/layout folder, I have tried restarting and cleaning the project but nothing. Below is my activity_main.xml file, new_layout.xml file and MainActivity.java activity_main.xml: <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/container" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="org.example.androidsdk.demo.MainActivity" tools:ignore="MergeRootFrame" /> new_layout.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" /> <EditText android:id="@+id/editText1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:ems="10" > <requestFocus /> </EditText> <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" /> MainActivity.java file package org.example.androidsdk.demo; import android.app.Activity; import android.app.ActionBar; import android.app.Fragment; import android.os.Bundle; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.os.Build; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.new_layout); if (savedInstanceState == null) { getFragmentManager().beginTransaction() .add(R.id.container, new PlaceholderFragment()) .commit(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } /** * A placeholder fragment containing a simple view. */ public static class PlaceholderFragment extends Fragment { public PlaceholderFragment() { } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_main, container, false); return rootView; } } }

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  • Fragment not showing up and breaks other buttons on Layout

    - by Devin Crane
    I'm learning how to use Fragments, and trying to add a fragment tag_button.xml at runtime to a FrameLayout tagFragmentContainer deep within another layout, deepLayout.xml. I get no errors, but the fragment doesn't show up. When I make its container visible, I can see a small sliver of layout between the other elements already existing, but then it disappears after onCreateView(), and all the remaining buttons are broken, which is even more confusing to me. tag_button.xml is just a regular layout file with some text and a button. tagFragmentContainer, within a LinearLayout in the middle of a large layout file, deepLayout.xml: <LinearLayout android:id="@+id/tagButtonsLayout" android:layout_marginBottom="10dip" android:visibility="gone" style="@style/Form"> <FrameLayout android:id="@+id/tagFragmentContainer" android:layout_marginBottom="10dip" style="@style/Form"> </FrameLayout> </LinearLayout> In deepLayoutActivity, I make visible tagButtonsLayout and start TagButtonActivity: final LinearLayout anotherlm = (LinearLayout) findViewById(R.id.tagButtonsLayout); anotherlm.setVisibility(View.VISIBLE); Intent i = new Intent (this, TagButtonActivity.class); startActivity(i); TagButtonActivity is as follows: public class TagButtonActivity extends FragmentActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.action_expense); if (savedInstanceState != null) return; TagButtonFragment firstFragment = new TagButtonFragment(); getSupportFragmentManager().beginTransaction().add(R.id.tagFragmentContainer, firstFragment, "tagOne").commit(); } } TagButtonFragment: public class TagButtonFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment return inflater.inflate(R.layout.tag_button, container, false); } } tag_button.xml: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" style="@style/Form"> <TextView android:id="@+id/tag_button_header" style="@style/FieldHeader" android:text="example text"/> <RelativeLayout android:id="@+id/tag_button_block" android:layout_width="match_parent" android:layout_marginLeft="2dip" android:layout_marginTop="3dip" android:layout_marginBottom="3dip" android:layout_marginRight="2dip" android:layout_height="43dip" android:clickable="true" android:background="@drawable/row_spinner_selector"> <ImageView android:id="@+id/question_arrow" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dip" android:layout_marginRight="10dip" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:src="@drawable/arrow_right"/> <TextView android:id="@+id/tag_question_text" android:layout_toLeftOf="@id/question_arrow" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginLeft="10dip" android:layout_centerVertical="true" android:textColor="@android:color/black" android:singleLine="true" android:ellipsize="end" android:textSize="15sp" android:text="@string/not_selected"/> </RelativeLayout> </LinearLayout> I would certainly appreciate any help in figuring this out from someone who knows fragments better than me! Thanks!

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  • How to create sliding drawer in both sides opposite to one another?

    - by janmejoy
    I have added the code that working for right to left sliding perfectly but i want sliding from left to right also so check the layout and help me out.Here i have mentioned the layout properly for right to left ,Is it possible to get the Slider window in both sides i mean left and right horizontally... <?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/bg" android:orientation="vertical" > <Button android:id="@+id/ship" android:layout_width="186dp" android:layout_height="23dp" android:layout_marginTop="49dp" android:background="@drawable/signup" android:text="Shipping Calculator" android:textColor="#ffffffff" android:layout_gravity="center" android:textStyle="bold" /> </LinearLayout> <SlidingDrawer android:id="@+id/drawer" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:handle="@+id/handle" android:content="@+id/content"> <ImageView android:id="@+id/handle" android:layout_width="wrap_content" android:layout_height="fill_parent" android:src="@drawable/tag"/> <LinearLayout android:id="@+id/content" android:layout_width="wrap_content" android:layout_height="fill_parent" android:background="@drawable/slidimage" android:orientation="vertical" android:padding="10dp" > <TextView android:id="@+id/text1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginTop="15dp" android:layout_marginLeft="51dp" android:text="SIGN-UP" android:textColor="#000000" android:textSize="28dp" android:textStyle="bold" /> </LinearLayout> </SlidingDrawer> <SlidingDrawer android:id="@+id/drawers" android:layout_width="match_parent" android:layout_height="match_parent" android:handle="@+id/handles" android:layout_gravity="left" android:scrollX="100dp" android:orientation="horizontal" android:content="@+id/contents"> <ImageView android:id="@+id/handles" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_gravity="left" android:src="@drawable/tag"/> <LinearLayout android:id="@+id/contents" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_gravity="left" android:background="@drawable/slidimage" android:orientation="vertical" android:padding="10dp" > <TextView android:id="@+id/text1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginTop="15dp" android:layout_marginLeft="51dp" android:text="SIGN-UP" android:textColor="#000000" android:textSize="28dp" android:textStyle="bold" /> </LinearLayout> </SlidingDrawer> </FrameLayout>

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  • Deleting items from a ListView using a custom BaseAdapter

    - by HXCaine
    I am using a customised BaseAdapter to display items on a ListView. The items are just strings held in an ArrayList. The list items have a delete button on them (big red X), and I'd like to remove the item from the ArrayList, and notify the ListView to update itself. However, every implementation I've tried gets mysterious position numbers given to it, so for example clicking item 2's delete button will delete item 5's. It seems to be almost entirely random. One thing to note is that elements may be repeated, but must be kept in the same order. For example, I can have "Irish" twice, as elements 3 and 7. My code is below: private static class ViewHolder { TextView lang; int position; } public View getView(final int position, View convertView, ViewGroup parent) { ViewHolder holder; if (convertView == null) { convertView = mInflater.inflate(R.layout.language_link_row, null); holder = new ViewHolder(); holder.lang = (TextView)convertView.findViewById(R.id.language_link_text); holder.position = position; final ImageView deleteButton = (ImageView) convertView.findViewById(R.id.language_link_cross_delete); deleteButton.setOnClickListener(this); convertView.setTag(holder); deleteButton.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.lang.setText(mLanguages.get(position)); return convertView; } I later attempt to retrieve the deleted element's position by grabbing the tag, but it's always the wrong position in the list. There is no noticeable pattern to the position given here, it always seems random. // The delete button's listener public void onClick(View v) { ViewHolder deleteHolder = (ViewHolder) v.getTag(); int pos = deleteHolder.position; ... ... ... } I would be quite happy to just delete the item from the ArrayList and have the ListView update itself, but the position I'm getting is incorrect so I can't do that. Please note that I did, at first, have the deleteButton clickListener inside the getView method, and used 'position' to delete the value, but I had the same problem. Any suggestions appreciated, this is really irritating me.

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  • Android calculator with button click

    - by rynwtts
    I am trying to calculate a field named lblAnswer by adding values txtA + txtB. I am fairly new to the android development world and would like to know what is the best way of going about this. I have already added the necessarily edit fields to the GUI. I am now working in the java file to try and create the method. This method has been named doCalc. Here is what I have thus far. public void doCalc() { lblAnswer = txtA + txtB; } It has been suggested that I add more code here is the full code. Thank you for that suggestion. Here is the Java File. package com.example.wattsprofessional; import android.app.Activity; import android.os.Bundle; import android.view.Menu; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } public void doCalc() { lblAnswer = txtA + txtB; Double.parseDouble(txtA.getText().toString()); lblAnswer.setText"t } and here is the xml file. <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity" > <EditText android:id="@+id/txtA" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="40dp" android:ems="10" android:hint="Write Here" android:inputType="numberDecimal" > <requestFocus /> </EditText> <EditText android:id="@+id/txtB" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/txtA" android:layout_below="@+id/txtA" android:layout_marginTop="32dp" android:ems="10" android:hint="Second Here" android:inputType="numberDecimal" /> <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_centerVertical="true" android:text="@string/calculate" android:onClick="doCalc"/> <TextView android:id="@+id/lblAnswer" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/button1" android:layout_centerHorizontal="true" android:layout_marginTop="50dp" android:text="TextView" /> </RelativeLayout>

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