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POAndroid - Customised New Incoming Call Screen
 

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    <p>I'm trying to make an new incoming call screen in android,</p> <p>when i get an incoming call my app starts - but crashes immediately, and the default incoming call screen is coming up.</p> <p>what am i doing wrong?</p> <p>my code:</p> <p><strong>AndroidManifest.xml :</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.myfirstapp" android:versionCode="7" android:versionName="7"&gt; &lt;uses-sdk android:minSdkVersion="7" android:targetSdkVersion="10"&gt;&lt;/uses-sdk&gt; &lt;uses-permission android:name="android.permission.READ_PHONE_STATE"/&gt; &lt;uses-permission android:name="android.permission.MODIFY_PHONE_STATE"/&gt; &lt;uses-permission android:name="android.permission.CALL_PHONE" /&gt; &lt;application android:label="@string/app_name" android:icon="@drawable/ic_launcher"&gt; &lt;receiver android:name=".MyPhoneBroadcastReceiver" android:enabled="true"&gt; &lt;intent-filter android:priority="99999"&gt; &lt;action android:name="android.intent.action.PHONE_STATE" /&gt; &lt;/intent-filter&gt; &lt;/receiver&gt; &lt;activity android:name=".Call" &gt; &lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p><strong>MyPhoneBroadcastReceiver.java:</strong></p> <pre><code>package com.example.myfirstapp; import android.app.Activity; import android.content.Context; import android.content.Intent; public class MyPhoneBroadcastReceiver extends Activity{ public void onReceive(final Context context, Intent intent) { Intent main_intent = new Intent(this, Call.class); context.startActivity(main_intent); } } </code></pre> <p><strong>Call.java:</strong></p> <pre><code>package com.example.myfirstapp; import android.app.Activity; import android.os.Bundle; public class Call extends Activity{ protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } </code></pre> <p>the log is:</p> <pre><code> 10-14 20:59:51.056: E/AndroidRuntime(1826): FATAL EXCEPTION: main 10-14 20:59:51.056: E/AndroidRuntime(1826): java.lang.RuntimeException: Unable to instantiate receiver com.example.myfirstapp.MyPhoneBroadcastReceiver: java.lang.ClassCastException: com.example.myfirstapp.MyPhoneBroadcastReceiver cannot be cast to android.content.BroadcastReceiver 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2210) 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.app.ActivityThread.access$1500(ActivityThread.java:130) 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1271) 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.os.Handler.dispatchMessage(Handler.java:99) 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.os.Looper.loop(Looper.java:137) 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.app.ActivityThread.main(ActivityThread.java:4745) 10-14 20:59:51.056: E/AndroidRuntime(1826): at java.lang.reflect.Method.invokeNative(Native Method) 10-14 20:59:51.056: E/AndroidRuntime(1826): at java.lang.reflect.Method.invoke(Method.java:511) 10-14 20:59:51.056: E/AndroidRuntime(1826): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 10-14 20:59:51.056: E/AndroidRuntime(1826): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 10-14 20:59:51.056: E/AndroidRuntime(1826): at dalvik.system.NativeStart.main(Native Method) 10-14 20:59:51.056: E/AndroidRuntime(1826): Caused by: java.lang.ClassCastException: com.example.myfirstapp.MyPhoneBroadcastReceiver cannot be cast to android.content.BroadcastReceiver 10-14 20:59:51.056: E/AndroidRuntime(1826): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2205) 10-14 20:59:51.056: E/AndroidRuntime(1826): ... 10 more </code></pre>
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    1. CODo you get any log output from the crash?
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    2. COShouldn't `MyPhoneBroadcastReceiver` extend `BroadcastReceiver` instead of `Activity`?
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    3. COi use Activity for: Intent main_intent = new Intent(this, CallActivity.class); context.startActivity(main_intent);
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