即使将 <uses-permission> 用于 SET_ALARM,也会获得权限拒绝?
get Permission Denial even when using <uses-permission> for SET_ALARM?
我对 Android Studio 和 android 编程还很陌生。我刚刚阅读了第一个常见的 Intent 教程,它是关于 AlarmClock
的。我尝试编写一个简单的代码来测试该 Intent,但它无法处理抛出的 SecurityException
,堆栈跟踪如下所示:
05-20 15:36:25.010 2342-2342/com.viphalong.helloandroid E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.viphalong.helloandroid, PID: 2342
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.viphalong.helloandroid/com.viphalong.helloandroid.MainActivity}: java.lang.SecurityException: Permission Denial: starting Intent { act=android.intent.action.SET_ALARM cmp=com.android.deskclock/.HandleApiCalls (has extras) } from ProcessRecord{ad271560 2342:com.viphalong.helloandroid/u0a52} (pid=2342, uid=10052) requires com.android.alarm.permission.SET_ALARM
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2184)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233)
at android.app.ActivityThread.access0(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5001)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.SecurityException: Permission Denial: starting Intent { act=android.intent.action.SET_ALARM cmp=com.android.deskclock/.HandleApiCalls (has extras) } from ProcessRecord{ad271560 2342:com.viphalong.helloandroid/u0a52} (pid=2342, uid=10052) requires com.android.alarm.permission.SET_ALARM
at android.os.Parcel.readException(Parcel.java:1465)
at android.os.Parcel.readException(Parcel.java:1419)
at android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:2096)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1419)
at android.app.Activity.startActivityForResult(Activity.java:3424)
at android.app.Activity.startActivityForResult(Activity.java:3385)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:842)
at android.app.Activity.startActivity(Activity.java:3627)
at android.app.Activity.startActivity(Activity.java:3595)
at com.viphalong.helloandroid.MainActivity.createAlarm(MainActivity.java:22)
at com.viphalong.helloandroid.MainActivity.onCreate(MainActivity.java:14)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233)
at android.app.ActivityThread.access0(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5001)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
这是清单文件:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.viphalong.helloandroid">
<uses-permission android:name="com.android.alarm.permission.SET_ALARM"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
这里是主要代码:
package com.viphalong.helloandroid;
import android.content.Intent;
import android.provider.AlarmClock;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//try creating a simple alarming
createAlarm("Welldone", 0, 1);
}
void createAlarm(String msg, int hours, int minutes){
Intent it = new Intent(AlarmClock.ACTION_SET_ALARM);
it.putExtra(AlarmClock.EXTRA_MESSAGE, msg)
.putExtra(AlarmClock.EXTRA_HOUR, hours)
.putExtra(AlarmClock.EXTRA_MINUTES, minutes);
if(it.resolveActivity(getPackageManager()) != null){
startActivity(it);
}
}
}
如你所见,我把行
<uses-permission android:name="com.android.alarm.permission.SET_ALARM"/>
在清单文件中。但是仍然抛出异常让我真的很困惑。
您要在哪个 Android 版本上实施它。我之前在 Android 6.0 上测试时遇到过类似的问题。
我不得不手动转到应用程序权限并打开相同的权限。
或者您可以查看以下内容 link。
https://developer.android.com/training/permissions/requesting.html
这将帮助您检查用户是否已授予应用程序权限。
希望对您有所帮助。祝你有美好的一天!!
如果您正在使用 android M 则需要检查运行时权限,因为在 android M 中可以删除权限。
尝试添加这两个权限。。
<uses-permission android:name="android.permission.SET_ALARM"/>
<uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
我遇到了类似的问题...通过添加两个权限解决了...
我对 Android Studio 和 android 编程还很陌生。我刚刚阅读了第一个常见的 Intent 教程,它是关于 AlarmClock
的。我尝试编写一个简单的代码来测试该 Intent,但它无法处理抛出的 SecurityException
,堆栈跟踪如下所示:
05-20 15:36:25.010 2342-2342/com.viphalong.helloandroid E/AndroidRuntime: FATAL EXCEPTION: main Process: com.viphalong.helloandroid, PID: 2342 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.viphalong.helloandroid/com.viphalong.helloandroid.MainActivity}: java.lang.SecurityException: Permission Denial: starting Intent { act=android.intent.action.SET_ALARM cmp=com.android.deskclock/.HandleApiCalls (has extras) } from ProcessRecord{ad271560 2342:com.viphalong.helloandroid/u0a52} (pid=2342, uid=10052) requires com.android.alarm.permission.SET_ALARM at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2184) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233) at android.app.ActivityThread.access0(ActivityThread.java:135) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5001) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.SecurityException: Permission Denial: starting Intent { act=android.intent.action.SET_ALARM cmp=com.android.deskclock/.HandleApiCalls (has extras) } from ProcessRecord{ad271560 2342:com.viphalong.helloandroid/u0a52} (pid=2342, uid=10052) requires com.android.alarm.permission.SET_ALARM at android.os.Parcel.readException(Parcel.java:1465) at android.os.Parcel.readException(Parcel.java:1419) at android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:2096) at android.app.Instrumentation.execStartActivity(Instrumentation.java:1419) at android.app.Activity.startActivityForResult(Activity.java:3424) at android.app.Activity.startActivityForResult(Activity.java:3385) at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:842) at android.app.Activity.startActivity(Activity.java:3627) at android.app.Activity.startActivity(Activity.java:3595) at com.viphalong.helloandroid.MainActivity.createAlarm(MainActivity.java:22) at com.viphalong.helloandroid.MainActivity.onCreate(MainActivity.java:14) at android.app.Activity.performCreate(Activity.java:5231) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233) at android.app.ActivityThread.access0(ActivityThread.java:135) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5001) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) at dalvik.system.NativeStart.main(Native Method)
这是清单文件:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.viphalong.helloandroid">
<uses-permission android:name="com.android.alarm.permission.SET_ALARM"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
这里是主要代码:
package com.viphalong.helloandroid;
import android.content.Intent;
import android.provider.AlarmClock;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//try creating a simple alarming
createAlarm("Welldone", 0, 1);
}
void createAlarm(String msg, int hours, int minutes){
Intent it = new Intent(AlarmClock.ACTION_SET_ALARM);
it.putExtra(AlarmClock.EXTRA_MESSAGE, msg)
.putExtra(AlarmClock.EXTRA_HOUR, hours)
.putExtra(AlarmClock.EXTRA_MINUTES, minutes);
if(it.resolveActivity(getPackageManager()) != null){
startActivity(it);
}
}
}
如你所见,我把行
<uses-permission android:name="com.android.alarm.permission.SET_ALARM"/>
在清单文件中。但是仍然抛出异常让我真的很困惑。
您要在哪个 Android 版本上实施它。我之前在 Android 6.0 上测试时遇到过类似的问题。 我不得不手动转到应用程序权限并打开相同的权限。
或者您可以查看以下内容 link。 https://developer.android.com/training/permissions/requesting.html
这将帮助您检查用户是否已授予应用程序权限。
希望对您有所帮助。祝你有美好的一天!!
如果您正在使用 android M 则需要检查运行时权限,因为在 android M 中可以删除权限。
尝试添加这两个权限。。
<uses-permission android:name="android.permission.SET_ALARM"/>
<uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
我遇到了类似的问题...通过添加两个权限解决了...