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POLaunching a Custom Dialog
 

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    <p>I've followed the Android Documentation on creating a custom dialog. When I click the button that launches my custom dialog the app. crashes. How do I begin to troubleshoot this?</p> <p>The dialog: </p> <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/relativeLayout1" android:gravity="center_vertical" android:layout_height="wrap_content" android:layout_width="fill_parent"&gt; &lt;CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="@string/chkBlueTooth" android:id="@+id/chkBlueTooth" android:layout_below="@+id/chkAudio" android:layout_alignLeft="@+id/chkAudio"&gt;&lt;/CheckBox&gt; &lt;Button android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_below="@+id/chkBlueTooth" android:layout_alignLeft="@+id/chkBlueTooth" android:id="@+id/btnOK" android:text="@string/btnOK"&gt;&lt;/Button&gt; &lt;CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="@string/chkNetwork" android:id="@+id/chkNetwork" android:layout_above="@+id/chkBlueTooth" android:layout_toRightOf="@+id/chkBlueTooth"&gt;&lt;/CheckBox&gt; &lt;CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="@string/chkWifi" android:id="@+id/chkWifi" android:layout_below="@+id/chkNetwork" android:layout_alignLeft="@+id/chkNetwork" android:layout_alignRight="@+id/chkNetwork"&gt;&lt;/CheckBox&gt; &lt;CheckBox android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="@string/chkAudio" android:id="@+id/chkAudio" android:layout_below="@+id/txtChoose" android:layout_alignLeft="@+id/txtChoose"&gt;&lt;/CheckBox&gt; &lt;/RelativeLayout&gt; </code></pre> <p>The Code for the dialog: static final int TIME_DIALOG_ID = 0; static final int POWER_OFF_OPTIONS = 1;</p> <p>@Override protected Dialog onCreateDialog(int id) { Dialog dialog; switch (id) { case TIME_DIALOG_ID: return new TimePickerDialog(this, mTimeSetListener, mHour24, mMinute, false);</p> <pre><code> case POWER_OFF_OPTIONS: AlertDialog.Builder builder; AlertDialog alertDialog; Context mContext = getApplicationContext(); LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER_SERVICE); View layout = inflater.inflate(R.layout.options, (ViewGroup)findViewById(R.id.relativeLayout1)); //Capture view elements mChkAudio = (CheckBox) findViewById(R.id.chkAudio); mChkBluetooth = (CheckBox) findViewById(R.id.chkBlueTooth); mChkNetwork = (CheckBox) findViewById(R.id.chkNetwork); mChkWifi = (CheckBox) findViewById(R.id.chkWifi); mBtnOK = (Button) findViewById(R.id.btnOK); mBtnOK.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { DismissPowerOptions(); } }); builder = new AlertDialog.Builder(mContext); builder.setView(layout); alertDialog = builder.create(); //return builder; default: dialog = null; } return dialog; } </code></pre> <p>The Button that shows the dialog and crashes the app:</p> <pre><code> mBtnPowerOffOptions.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { //stuff for Options dialog showDialog(POWER_OFF_OPTIONS); } }); </code></pre>
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    1. COWhat's the debugger message? You need to break down the code to simple actions until it works. Then add more and more features.
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