7
我正在開發Android 4.0+的鎖定屏幕。我正在使用將屏幕關閉的接收器註冊的服務。該接收器啓動onReceived活動。從屏幕上的接收器延遲開始活動關閉
問題是這整個過程不夠快。接收器有一個小的延遲，但真正的問題是活動的啓動，需要3-4秒。
我見過類似的應用程序，如： https://github.com/Pi-Developers/Pi-Locker。 在這種情況下，一切正常，但我不知道我在做什麼不同。
艙單
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="xxxxx" >
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen" >
<activity
android:name=".MainActivity"
android:screenOrientation="portrait"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".LockScreenActivity"
android:screenOrientation="portrait"
android:label="@string/app_name"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen"
android:excludeFromRecents="true"
android:windowSoftInputMode="stateAlwaysHidden" >
<intent-filter>
<category android:name="android.intent.category.HOME" />
</intent-filter> >
</activity>
<receiver
android:name=".LockBoot"
android:enabled="true" >
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
<receiver
android:name=".LockReceiver"
android:enabled="true" >
</receiver>
<service
android:name=".LockerService"
android:icon="@drawable/ic_launcher"
android:process=":background" >
</service>
</application>
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
</manifest>
主要活動
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent i = new Intent(MainActivity.this, LockerService.class);
startService(i);
setContentView(R.layout.activity_main);
}
}
LockerService
public class LockerService extends Service {
static SharedPreferences spf;
static Context c;
int mActive;
String on;
LockReceiver mReceiver = new LockReceiver();
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
return START_STICKY;
}
/**
*
* mStaus is Variable of int we need to find status of locker to make it
* enable or disable
*
**/
@Override
public void onCreate() {
mActive = 1; //todo
if (mActive == 0) {
stopSelf();
return;
}
if (mActive == 1) {
try {
IntentFilter intentFilter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
intentFilter.setPriority(9999);
registerReceiver(mReceiver, intentFilter);
} catch (Exception e) {
unregisterReceiver(mReceiver);
}
} else {
try {
unregisterReceiver(mReceiver);
} catch(Exception e){
e.printStackTrace();
}
}
}
@Override
public void onDestroy() {
super.onDestroy();
/**
*
* make sure service still running
*
*/
startService(new Intent(LockerService.this , LockerService.class));
}
}
LockReceiver
public class LockReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
TelephonyManager ts = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
int callState = ts.getCallState();
if (callState == TelephonyManager.CALL_STATE_IDLE) {
context.startActivity(new Intent(context, LockScreenActivity.class).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
}
}
}
LockScreenActivity只是一個空活動，用一個簡單的佈局。還沒有動作。
任何想法？
您試過多少個設備？ – Elltz
只是一個。 nexus 6 – jonyjm
您的意思是說，您的活動顯示在默認鎖定屏幕下方？ – Dinash