I'm trying to override the incoming call screen - I know I can't change it so I'm trying to popup an activity ontop.
My code works fine except when the phone has been idle for a few minutes.
My code:
AndroidManifest.xml :
<?xml version="1.0" encoding="utf-8" ?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myfirstapp"
android:versionCode="7"
android:versionName="7">
<uses-sdk android:minSdkVersion="7" android:targetSdkVersion="10"></uses-sdk>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.MODIFY_PHONE_STATE"/>
<uses-permission android:name="android.permission.CALL_PHONE" />
<application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
<receiver android:name=".MyPhoneBroadcastReceiver" android:enabled="true">
<intent-filter android:priority="99999">
<action android:name="android.intent.action.PHONE_STATE" />
</intent-filter>
</receiver>
<activity
android:name=".Call" >
</activity>
</application>
</manifest>
MyPhoneBroadcastReceiver.java:
public class MyPhoneBroadcastReceiver extends BroadcastReceiver{
public void onReceive(final Context context, Intent intent) {
Thread pageTimer = new Thread(){
public void run(){
try{
sleep(700);
} catch (InterruptedException e){
e.printStackTrace();
} finally {
Intent i = new Intent();
i.setClass(context, Call.class);
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
i.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
i.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
i.putExtra("INCOMING_NUMBER", incomingNumber);
i.setAction(Intent.ACTION_MAIN);
i.addCategory(Intent.CATEGORY_LAUNCHER);
context.startActivity(i);
}
}
};
pageTimer.start();
}
}
Call.java:
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);
getWindow(). addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
getWindow().addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
setContentView(R.layout.main);
}
}
BTW - I tried waiting for the screen to wake up before the sleep(700) and it didn't help (in MyPhoneBroadcastReceiver.java)
...
try {
if (pm.isScreenOn()) {
sleep(700);
} else {
while (!pm.isScreenOn()) {
// Do nothing...
}
sleep(700);
}
}
...
Method 2: (For Android Pie-based Phones) Step 1: Go to App Info of the Phone Dialer app and tap on Notifications. Step 2: Tap on the 'Incoming Calls' option and then on behavior. Step 3: Now tap on 'Behaviour'. Step 4: Ensure that the notification priority is set to urgent or “Make sound and pop up”.
Look for the 'apps' option in your phone settings and open it. Then open 'manage system' apps and look for 'call settings'. Open 'call settings' and select 'advanced settings. Open 'advanced settings' and check if show call notification is enabled.
When the phone screen is off and there is an incoming call, there are more work to do (waking up, dealing with the keyguard view...) so the in-call activity take longer to show up and this lead to the case your Call activity starts earlier than the in-call activity starts --> the in-call activity is on top
There is no exact time that the in-call activity need to displays (you have tried and see that 700 miliseconds is not enough)
My solution: keep tracking the state of Call activity:
My sample activity:
public class MainActivity extends Activity {
private ActivityManager mActivityManager;
private boolean mDismissed = false;
private static final int MSG_ID_CHECK_TOP_ACTIVITY = 1;
private static final long DELAY_INTERVAL = 100;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
mActivityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
mHandler.sendEmptyMessageDelayed(MSG_ID_CHECK_TOP_ACTIVITY,
DELAY_INTERVAL);
}
private Handler mHandler = new Handler() {
public void handleMessage(android.os.Message msg) {
if (msg.what == MSG_ID_CHECK_TOP_ACTIVITY && !mDismissed) {
List<RunningTaskInfo> tasks = mActivityManager
.getRunningTasks(1);
String topActivityName = tasks.get(0).topActivity
.getClassName();
if (!topActivityName.equals(MainActivity.this
.getComponentName().getClassName())) {
// Try to show on top until user dismiss this activity
Intent i = new Intent();
i.setClass(MainActivity.this, MainActivity.class);
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
i.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
startActivity(i);
}
sendEmptyMessageDelayed(MSG_ID_CHECK_TOP_ACTIVITY,
DELAY_INTERVAL);
}
};
};
}
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