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* Move PhoenixActivity to a separate class * Add support for restarting a Service. * Apply suggestions from code review Co-authored-by: Jake Wharton <[email protected]> * Split Activity and Service methods, keeping the existing methods Activity-only. * Run spotless code formatting --------- Co-authored-by: jobhh <[email protected]> Co-authored-by: Jake Wharton <[email protected]>
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37 changes: 37 additions & 0 deletions
37
process-phoenix/src/main/java/com/jakewharton/processphoenix/PhoenixActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package com.jakewharton.processphoenix; | ||
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| import android.app.Activity; | ||
| import android.content.Intent; | ||
| import android.os.Build; | ||
| import android.os.Bundle; | ||
| import android.os.Process; | ||
| import android.os.StrictMode; | ||
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| public final class PhoenixActivity extends Activity { | ||
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| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
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| // Kill original main process | ||
| Process.killProcess(getIntent().getIntExtra(ProcessPhoenix.KEY_MAIN_PROCESS_PID, -1)); | ||
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| Intent[] intents = | ||
| getIntent() | ||
| .<Intent>getParcelableArrayListExtra(ProcessPhoenix.KEY_RESTART_INTENTS) | ||
| .toArray(new Intent[0]); | ||
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| if (Build.VERSION.SDK_INT > 31) { | ||
| // Disable strict mode complaining about out-of-process intents. Normally you save and restore | ||
| // the original policy, but this process will die almost immediately after the offending call. | ||
| StrictMode.setVmPolicy( | ||
| new StrictMode.VmPolicy.Builder(StrictMode.getVmPolicy()) | ||
| .permitUnsafeIntentLaunch() | ||
| .build()); | ||
| } | ||
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| startActivities(intents); | ||
| finish(); | ||
| Runtime.getRuntime().exit(0); // Kill kill kill! | ||
| } | ||
| } |
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process-phoenix/src/main/java/com/jakewharton/processphoenix/PhoenixService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package com.jakewharton.processphoenix; | ||
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| import android.app.IntentService; | ||
| import android.content.Intent; | ||
| import android.os.Build; | ||
| import android.os.Process; | ||
| import android.os.StrictMode; | ||
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| /** | ||
| * Please note that restarting a Service multiple times can result in an increasingly long delay between restart times. | ||
| * This is a safety mechanism, since Android registers the restart of this service as a crashed service. | ||
| * <p> | ||
| * The observed delay periods are: 1s, 4s, 16s, 64s, 256s, 1024s. (on an Android 11 device) | ||
| * Which seems to follow this pattern: 4^x, with x being the restart attempt minus 1. | ||
| */ | ||
| public final class PhoenixService extends IntentService { | ||
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| public PhoenixService() { | ||
| super("PhoenixService"); | ||
| } | ||
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| @Override | ||
| protected void onHandleIntent(Intent intent) { | ||
| if (intent == null) { | ||
| return; | ||
| } | ||
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| Process.killProcess( | ||
| intent.getIntExtra(ProcessPhoenix.KEY_MAIN_PROCESS_PID, -1)); // Kill original main process | ||
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| Intent nextIntent; | ||
| if (Build.VERSION.SDK_INT >= 33) { | ||
| nextIntent = intent.getParcelableExtra(ProcessPhoenix.KEY_RESTART_INTENT, Intent.class); | ||
| } else { | ||
| nextIntent = intent.getParcelableExtra(ProcessPhoenix.KEY_RESTART_INTENT); | ||
| } | ||
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| if (Build.VERSION.SDK_INT > 31) { | ||
| // Disable strict mode complaining about out-of-process intents. Normally you save and restore | ||
| // the original policy, but this process will die almost immediately after the offending call. | ||
| StrictMode.setVmPolicy( | ||
| new StrictMode.VmPolicy.Builder(StrictMode.getVmPolicy()) | ||
| .permitUnsafeIntentLaunch() | ||
| .build()); | ||
| } | ||
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| if (Build.VERSION.SDK_INT >= 26) { | ||
| startForegroundService(nextIntent); | ||
| } else { | ||
| startService(nextIntent); | ||
| } | ||
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| Runtime.getRuntime().exit(0); // Kill kill kill! | ||
| } | ||
| } |
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52 changes: 52 additions & 0 deletions
52
sample/src/main/java/com/jakewharton/processphoenix/sample/NotificationBuilder.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,52 @@ | ||
| package com.jakewharton.processphoenix.sample; | ||
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| import android.Manifest; | ||
| import android.annotation.TargetApi; | ||
| import android.app.Notification; | ||
| import android.app.NotificationChannel; | ||
| import android.app.NotificationManager; | ||
| import android.content.Context; | ||
| import android.content.pm.PackageManager; | ||
| import android.os.Build; | ||
| import android.util.Log; | ||
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| public final class NotificationBuilder { | ||
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| /** | ||
| * Create a Notification, required to support Service restarting on Android 8 and newer | ||
| */ | ||
| @TargetApi(26) | ||
| public static Notification createNotification(Context context) { | ||
| // Android 13 or higher requires a permission to post Notifications | ||
| if (Build.VERSION.SDK_INT >= 33) { | ||
| if (context.checkCallingOrSelfPermission(Manifest.permission.POST_NOTIFICATIONS) | ||
| != PackageManager.PERMISSION_GRANTED) { | ||
| Log.e( | ||
| "ProcessPhoenix", | ||
| "Required POST_NOTIFICATIONS permission was not granted, cannot restart Service"); | ||
| return null; | ||
| } | ||
| } | ||
|
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| // Android 8 or higher requires a Notification Channel | ||
| if (Build.VERSION.SDK_INT >= 26) { | ||
| // Creating an existing notification channel with its original values performs no operation, | ||
| // so it's safe to call this code multiple times | ||
| NotificationChannel channel = | ||
| new NotificationChannel( | ||
| "ProcessPhoenix", "ProcessPhoenix", NotificationManager.IMPORTANCE_NONE); | ||
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| // Create Notification Channel | ||
| NotificationManager notificationManager = | ||
| (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); | ||
| notificationManager.createNotificationChannel(channel); | ||
| } | ||
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| // Create a Notification | ||
| return new Notification.Builder(context, "ProcessPhoenix") | ||
| .setSmallIcon(android.R.mipmap.sym_def_app_icon) | ||
| .setContentTitle("ProcessPhoenix") | ||
| .setContentText("PhoenixService") | ||
| .build(); | ||
| } | ||
| } |
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