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PODynamically add a xml defined layout at run-time outside of onCreate()
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  1. PODynamically add a xml defined layout at run-time outside of onCreate()
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    copied!<p>I have a custom ViewGroup (blue background) that when touched sometime during the app's life cycle, I want to add an arbitrary xml defined view layout (whitebox to be in foreground) to that custom view.</p> <p>Is there any way to do this outside of the activity's onCreate?</p> <p>whitebox.xml</p> <blockquote> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="100dp" android:layout_height="100dp" android:background="#FFFFFF" android:orientation="vertical" &gt; &lt;/LinearLayout&gt; </code></pre> </blockquote> <p>TestDynamicLayoutActivity.java</p> <pre><code>package net.lapasa.testdynamiclayout; import android.app.Activity; import android.os.Bundle; public class TestDynamicLayoutActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(new MyCustomViewGroup(this)); } } </code></pre> <p>MyCustomViewGroup.java</p> <pre><code>package net.lapasa.testdynamiclayout; import java.lang.annotation.Target; import android.content.Context; import android.graphics.Color; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; public class MyCustomViewGroup extends ViewGroup { private Context context; public MyCustomViewGroup(Context context) { super(context); this.context = context; } @Override protected void onLayout(boolean changed, int l, int t, int r, int b) { this.setBackgroundColor(Color.BLUE); } @Override public boolean onTouchEvent (MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { View whiteBoxView= LayoutInflater.from(context).inflate(R.layout.whitebox, this); ViewGroup targetParent = (ViewGroup) whiteBoxView.getParent(); targetParent.removeView(whiteBoxView); this.addView(whiteBoxView); } return true; } } </code></pre> <p>The block of code in the ACTION_DOWN doesn't do anything except present a black screen =( What is going on?</p>
 

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