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POLinking two XML layouts in one java file
 

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    <p>I am creating a flashlight app...I want to link two layouts in one java file...one layout is when the torch is unlit...and the other layout shows an illuminating torch...I have worked on it and now when i press the button it shifts to the other layout..(the illuminating one)...but does not come back to the first one when i click the button...What to do? Here is the code..</p> <p>My XML1:</p> <pre><code> &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/RelativeLayout1" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:background="@drawable/fl" tools:context=".Flash" &gt; &lt;Button android:id="@+id/ib2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_centerVertical="true" android:background="@drawable/bu" /&gt; </code></pre> <p></p> <p>My XML2:</p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/RelativeLayout1" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/fl1" android:orientation="vertical" &gt; &lt;Button android:id="@id/ib2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_centerVertical="true" android:background="@drawable/bu" /&gt; </code></pre> <p></p> <p>My Flashlight.java file (excluding imports):</p> <pre class="lang-java prettyprint-override"><code> package com.potapptoes.flashlight; public class Flash extends Activity implements OnClickListener { Camera cam = null; Button ib1; Parameters para; PowerManager pm; WakeLock wl; @Override protected void onCreate(Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); pm = (PowerManager) getSystemService(Context.POWER_SERVICE); wl = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "whatever"); super.onCreate(savedInstanceState); setContentView(R.layout.main); wl.acquire(); initialize(); ib1.setOnClickListener(this); } private void initialize() { // TODO Auto-generated method stub ib1 = (Button) findViewById(R.id.ib2); } @Override public void onClick(View v) { // TODO Auto-generated method stub if (cam == null) { setContentView(R.layout.main2); cam = Camera.open(); para = cam.getParameters(); para.setFlashMode(Parameters.FLASH_MODE_TORCH); cam.setParameters(para); } else { setContentView(R.layout.main); para.setFlashMode(Parameters.FLASH_MODE_OFF); cam.setParameters(para); cam.release(); cam = null; } } @Override protected void onPause() { // TODO Auto-generated method stub super.onPause(); para.setFlashMode(Parameters.FLASH_MODE_OFF); cam.setParameters(para); cam.release(); cam = null; wl.release(); finish(); } } </code></pre>
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    1. COIn your xml you have ib2 as the button in the first one and in the second it is ib4 which does not have a click listener on it so i believe it is never calling your click listener, you would have to add a click listener to the ib4 button also in order to receive the requests from that button
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      1. POLinking two XML layouts in one java file
      1. USdarren102
 

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