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尝试启动服务时发生错误我有一个在主类中启动服务的Android应用程序。所以我有这个错误当我尝试从主活动
06-09 09:34:00.880 26760-26760/it.eresult.decipher E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start service [email protected] with Intent { cmp=it.eresult.decipher/.service.CriticalInformationService }: android.view.WindowManager$BadTokenException: Unable to add window [email protected] -- permission denied for this window type
at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2376)
at android.app.ActivityThread.access$1900(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1210)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.WindowManager$BadTokenException: Unable to add window [email protected] -- permission denied for this window type
at android.view.ViewRootImpl.setView(ViewRootImpl.java:537)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:301)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
at it.eresult.decipher.service.CriticalInformationService.onStartCommand(CriticalInformationService.java:37)
at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2359)
at android.app.ActivityThread.access$1900(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1210)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
这是我AndroidMainfest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="it.eresult.decipher">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme"
android:background="@color/colorToolBar">
<activity
android:name=".activity.MainActivity">
</activity>
<activity
android:name=".activity.LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:name=".service.CriticalInformationService"
android:label="Critical Information Service"
>
</service>
<uses-permission
android:name="android.permission.SYSTEM_ALERT_WINDOW" />
</application>
</manifest>
有了这个代码，我尝试启动服务：
startService(new Intent(this, CriticalInformationService.class));
那么，这是服务：
public class CriticalInformationService extends Service {
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
//TODO do something useful
WindowManager mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
LayoutInflater mInflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
View mView = mInflater.inflate(R.layout.settings_activity, null);
WindowManager.LayoutParams mLayoutParams = new WindowManager.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT, 0, 0,
WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
/* | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON */,
PixelFormat.RGBA_8888);
mWindowManager.addView(mView, mLayoutParams);
return Service.START_NOT_STICKY;
}
@Override
public IBinder onBind(Intent intent) {
//TODO for communication return IBinder implementation
return null;
}
}
编辑
这是启动在MainActivity服务
public class LoginActivity extends AppCompatActivity {
private static final int REQUEST_RUNTIME_PERMISSION = 1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
checkPremission();
//startService(new Intent(this, CriticalInformationService.class));
}
void checkPremission() {
//select which permission you want
final String permission = Manifest.permission.SYSTEM_ALERT_WINDOW;
// if in fragment use getActivity()
if (ContextCompat.checkSelfPermission(LoginActivity.this, permission)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(LoginActivity.this, permission)) {
} else {
ActivityCompat.requestPermissions(LoginActivity.this, new String[]{permission}, REQUEST_RUNTIME_PERMISSION);
}
} else {
// you have permission go ahead launch service
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_RUNTIME_PERMISSION:
final int numOfRequest = grantResults.length;
final boolean isGranted = numOfRequest == 1
&& PackageManager.PERMISSION_GRANTED == grantResults[numOfRequest - 1];
if (isGranted) {
// you have permission go ahead launch service
}else{
// you dont have permission show toast
}
break;
default:
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
}
}
我怎样才能解决这个问题？
看到这个职位http://stackoverflow.com/questions/7569937/unable-to-add-window-android-view-viewrootw44da9bc0-permission-denied-for-t#answer-34061521可能会帮助 –
我已阅读该帖子，但我不明白我该如何解决我的错误 – bircastri
已经问过这个'android.permission.SYSTEM_ALERT_WINDOW'的权限在运行时在API 23 –