Android程序保活的一般套路
publicclassMainActivityextendsAppCompatActivity{
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}
publicclassLiveActivityextendsActivity{
publicstaticfinalStringTAG=LiveActivity.class.getSimpleName();
publicstaticvoidactionToLiveActivity(ContextpContext){
Intentintent=newIntent(pContext,LiveActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
pContext.startActivity(intent);
}
@OverrideprotectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
Log.d(TAG,"onCreate");
setContentView(R.layout.activity_live);
Windowwindow=getWindow();
//放在左上角
window.setGravity(Gravity.START-Gravity.TOP);
WindowManager.LayoutParamsattributes=window.getAttributes();
//寬高設計為1個像素
attributes.width=1;
attributes.height=1;
//起始坐标
attributes.x=0;
attributes.y=0;
window.setAttributes(attributes);
ScreenManager.getInstance(this).setActivity(this);
}
@OverrideprotectedvoidonDestroy(){
super.onDestroy();
Log.d(TAG,"onDestroy");
}
}
true
@android:color/transparent
@null
true
publicclassScreenBroadcastListener{
privateContextmContext;
privateScreenBroadcastReceivermScreenReceiver;
privateScreenStateListenermListener;
publicScreenBroadcastListener(Contextcontext){
mContext=context.getApplicationContext();
mScreenReceiver=newScreenBroadcastReceiver();
}
interfaceScreenStateListener{
voidonScreenOn();
voidonScreenOff();
}
privateclassScreenBroadcastReceiverextendsBroadcastReceiver{
privateStringaction=null;
@OverridepublicvoidonReceive(Contextcontext,Intentintent){
action=intent.getAction();
if(Intent.ACTION_SCREEN_ON.equals(action)){// 開屏
mListener.onScreenOn();
}elseif(Intent.ACTION_SCREEN_OFF.equals(action)){// 鎖屏
mListener.onScreenOff();
}
}
}
publicvoidregisterListener(ScreenStateListenerlistener){
mListener=listener;
registerListener();
}
privatevoidregisterListener(){
IntentFilterfilter=newIntentFilter();
filter.addAction(Intent.ACTION_SCREEN_ON);
filter.addAction(Intent.ACTION_SCREEN_OFF);
mContext.registerReceiver(mScreenReceiver,filter);
}
}
publicclassScreenManager{
privateContextmContext;
privateWeakReferencemActivityWref;
publicstaticScreenManagergDefualt;
publicstaticScreenManagergetInstance(ContextpContext){
if(gDefualt==null){
gDefualt=newScreenManager(pContext.getApplicationContext());
}
returngDefualt;
}
privateScreenManager(ContextpContext){
this.mContext=pContext;
}
publicvoidsetActivity(ActivitypActivity){
mActivityWref=newWeakReference(pActivity);
}
publicvoidstartActivity(){
LiveActivity.actionToLiveActivity(mContext);
}
publicvoidfinishActivity(){
//結束掉LiveActivity
if(mActivityWref!=null){
Activityactivity=mActivityWref.get();
if(activity!=null){
activity.finish();
}
}
}
}
publicclassMainActivityextendsAppCompatActivity{
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
finalScreenManagerscreenManager=ScreenManager.getInstance(MainActivity.this);
ScreenBroadcastListenerlistener=newScreenBroadcastListener(this);
listener.registerListener(newScreenBroadcastListener.ScreenStateListener(){
@Override
publicvoidonScreenOn(){
screenManager.finishActivity();
}
@Override
publicvoidonScreenOff(){
screenManager.startActivity();
}
});
}
}
public class LiveService extends Service {
public static void toLiveService(Context pContext){
Intent intent=new Intent(pContext,LiveService.class);
pContext.startService(intent);
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
//螢幕關閉的時候啟動一個1像素的Activity，開屏的時候關閉Activity
final ScreenManager screenManager = ScreenManager.getInstance(LiveService.this);
ScreenBroadcastListener listener = new ScreenBroadcastListener(this);
listener.registerListener(new ScreenBroadcastListener.ScreenStateListener() {
@Override
public void onScreenOn() {
screenManager.finishActivity();
}
@Override
public void onScreenOff() {
screenManager.startActivity();
}
});
return START_REDELIVER_INTENT;
}
}
android:process=":live_service"/>
Process.killProcessQuiet(pid);
Process.killProcessQuiet(app.pid);
Process.killProcessGroup(app.info.uid, app.pid);
public class KeepLiveService extends Service {
public static final int NOTIFICATION_ID=0x11;
public KeepLiveService() {
}
@Override
public IBinder onBind(Intent intent) {
throw new UnsupportedOperationException("Not yet implemented");
}
@Override
public void onCreate() {
super.onCreate();
//API 18以下，直接發送Notification并将其置為前台
if (Build.VERSION.SDK_INT
startForeground(NOTIFICATION_ID, new Notification());
} else {
//API 18以上，發送Notification并将其置為前台後，啟動InnerService
Notification.Builder builder = new Notification.Builder(this);
builder.setSmallIcon(R.mipmap.ic_launcher);
startForeground(NOTIFICATION_ID, builder.build());
startService(new Intent(this, InnerService.class));
}
}
public static class InnerService extends Service{
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
//發送與KeepLiveService中ID相同的Notification，然後将其取消并取消自己的前台顯示
Notification.Builder builder = new Notification.Builder(this);
builder.setSmallIcon(R.mipmap.ic_launcher);
startForeground(NOTIFICATION_ID, builder.build());
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
stopForeground(true);
NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
manager.cancel(NOTIFICATION_ID);
stopSelf();
}
},100);
}
}
}
[email protected](Build.VERSION_CODES.LOLLIPOP)
public class MyJobService extends JobService {
@Override
public void onCreate() {
super.onCreate();
startJobSheduler();
}
public void startJobSheduler() {
try {
JobInfo.Builder builder = new JobInfo.Builder(1, new ComponentName(getPackageName(), MyJobService.class.getName()));
builder.setPeriodic(5);
builder.setPersisted(true);
JobScheduler jobScheduler = (JobScheduler) this.getSystemService(Context.JOB_SCHEDULER_SERVICE);
jobScheduler.schedule(builder.build());
} catch (Exception ex) {
ex.printStackTrace();
}
}
@Override
public boolean onStartJob(JobParameters jobParameters) {
return false;
}
@Override
public boolean onStopJob(JobParameters jobParameters) {
return false;
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
return START_REDELIVER_INTENT;
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
public class LiveService extends NotificationListenerService {
public LiveService() {
}
@Override
public void onNotificationPosted(StatusBarNotification sbn) {
}
@Override
public void onNotificationRemoved(StatusBarNotification sbn) {
}
}
android:name=".LiveService"
android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
來源: http://bbs.thankbabe.com/topic/257/android程序保活的一般套路