同时开始从Android的服务权限问题 [英] Permission issue while starting a service from android

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问题描述

我写了一个服务作为应用程序的一部分。我尝试使用以下code调用,从第二次申请该服务:

 意向意图=新的意图();
    intent.setClassName(com.test,com.test.DownloadService);
    //为通信创建一个新的斜挎背
    信使送信=新使者(处理);
    intent.putExtra(信使信使);
    intent.setData(Uri.parse(http://www.vogella.com/index.html));
    intent.putExtra(urlpath,http://www.vogella.com/index.html);
    this.startService(意向);
 

它提供了以下异常

  9月7号至10日:27:28.819:E​​RROR / AndroidRuntime(4226):致命异常:主要
    java.lang.RuntimeException的:无法启动的活动ComponentInfo {com.inject / com.inject.MyActivity}:java.lang.SecurityException异常:不允许启动服务意向{DAT = HTTP://www.vogella.com/index。 HTML CMP = com.test / .DownloadService(有临时演员)}未经允许不能从UID 10109出口
    在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1971)
    在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1996)
    在android.app.ActivityThread.access $ 700(ActivityThread.java:126)
    在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1156)
    在android.os.Handler.dispatchMessage(Handler.java:99)
    在android.os.Looper.loop(Looper.java:137)
    在android.app.ActivityThread.main(ActivityThread.java:4458)
    在java.lang.reflect.Method.invokeNative(本机方法)
    在java.lang.reflect.Method.invoke(Method.java:511)
    在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:784)
    在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
    在dalvik.system.NativeStart.main(本机方法)
    java.lang.SecurityException异常:产生的原因不允许启动服务意向{DAT = HTTP://www.vogella.com/index.html CMP = com.test / .DownloadService(有临时演员)}未经允许不能从UID出口10109
    在android.app.ContextImpl.startService(ContextImpl.java:1122)
    在android.content.ContextWrapper.startService(ContextWrapper.java:359)
    在com.inject.MyActivity.onCreate(MyActivity.java:28)
    在android.app.Activity.performCreate(Activity.java:4465)
    在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
    在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1935)
    ... 11更多
 

为什么会出现这种权限问题?

下面code完美的作品时,我打电话从同一个应用程序的服务:

 意向意图=新的意图(这一点,DownloadService.class);
    //为通信创建一个新的斜挎背
    信使送信=新使者(处理);
    intent.putExtra(信使信使);
    intent.setData(Uri.parse(http://www.vogella.com/index.html));
    intent.putExtra(urlpath,http://www.vogella.com/index.html);
    startService(意向);
 

有人可以让我知道为什么我得到这个许可问题,当我拨打服务从不同的应用程序,但我已经给了所有必需的权限App2的清单。

修改

App2的的清单

 < XML版本=1.0编码=UTF-8&GT?;
<舱单的xmlns:机器人=htt​​p://schemas.android.com/apk/res/android
      包=com.inject
      安卓版code =1
      机器人:VERSIONNAME =1.0>
<使用-SDK安卓的minSdkVersion =14/>
<使用-权限的Andr​​oid:名称=android.permission.INTERNET对/>
<使用-权限的Andr​​oid:名称=android.permission.WRITE_EXTERNAL_STORAG​​E/>
<应用机器人:标签=@字符串/ APP_NAME机器人:图标=@可绘制/ ic_launcher>
    <活动机器人:名称=MyActivity
              机器人:标签=@字符串/ APP_NAME>
        <意向滤光器>
            <作用机器人:名称=android.intent.action.MAIN/>
            <类机器人:名称=android.intent.category.LAUNCHER/>
        &所述; /意图滤光器>
    < /活性GT;
< /用途>
< /舱单>
 

程序App1的清单,其中包含了服务

 < XML版本=1.0编码=UTF-8&GT?;
<舱单的xmlns:机器人=htt​​p://schemas.android.com/apk/res/android
      包=com.test
      安卓版code =1
      机器人:VERSIONNAME =1.0>
<使用-SDK安卓的minSdkVersion =14/>
<使用-权限的Andr​​oid:名称=android.permission.INTERNET对/>
<使用-权限的Andr​​oid:名称=android.permission.WRITE_EXTERNAL_STORAG​​E/>
<应用
        机器人:图标=@可绘制/ ic_launcher
        机器人:标签=@字符串/ APP_NAME>
    <活动
            机器人:名称=。MainActivity
            机器人:标签=@字符串/ APP_NAME>
        <意向滤光器>
            <作用机器人:名称=android.intent.action.MAIN/>


        &所述; /意图滤光器>
    < /活性GT;

    <服务机器人:名称=下载服务>
    < /服务>
< /用途>
< /舱单>
 

解决方案

因为你没有做它明确地提供的服务不提供给其他应用程序。您的服务需要这样定义的:

 <服务机器人:名称=下载服务
         机器人:出口=真正的>
< /服务>
 

您不需要任何额外的权限(除非你想使用它们)

I have written a service as part of an application. I try to call this service from a second application using the following code:

    Intent intent = new Intent () ;
    intent.setClassName("com.test" ,"com.test.DownloadService") ;
    // Create a new Messenger for the communication back
    Messenger messenger = new Messenger(handler);
    intent.putExtra("MESSENGER", messenger);
    intent.setData(Uri.parse("http://www.vogella.com/index.html"));
    intent.putExtra("urlpath", "http://www.vogella.com/index.html");
    this.startService(intent);

It gives the following exception

07-10 09:27:28.819: ERROR/AndroidRuntime(4226): FATAL EXCEPTION: main
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.inject/com.inject.MyActivity}: java.lang.SecurityException: Not allowed to start service Intent { dat=http://www.vogella.com/index.html cmp=com.test/.DownloadService (has extras) } without permission not exported from uid 10109
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1971)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1996)
    at android.app.ActivityThread.access$700(ActivityThread.java:126)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1156)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:137)
    at android.app.ActivityThread.main(ActivityThread.java:4458)
    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: java.lang.SecurityException: Not allowed to start service Intent { dat=http://www.vogella.com/index.html cmp=com.test/.DownloadService (has extras) } without permission not exported from uid 10109
    at android.app.ContextImpl.startService(ContextImpl.java:1122)
    at android.content.ContextWrapper.startService(ContextWrapper.java:359)
    at com.inject.MyActivity.onCreate(MyActivity.java:28)
    at android.app.Activity.performCreate(Activity.java:4465)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1935)
    ... 11 more

Why this permission issue occurs?

The following code works perfect when I call the service from the same app:

    Intent intent = new Intent(this, DownloadService.class);
    // Create a new Messenger for the communication back
    Messenger messenger = new Messenger(handler);
    intent.putExtra("MESSENGER", messenger);
    intent.setData(Uri.parse("http://www.vogella.com/index.html"));
    intent.putExtra("urlpath", "http://www.vogella.com/index.html");
    startService(intent);

Can someone please let me know why I get this permission issue when I call the service from a different application, though I have given all the required permissions in App2's manifest.

EDIT

Manifest of App2

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.inject"
      android:versionCode="1"
      android:versionName="1.0">
<uses-sdk android:minSdkVersion="14"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
    <activity android:name="MyActivity"
              android:label="@string/app_name">
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>
</application>
</manifest>

Manifest of App1 which contains the service

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.test"
      android:versionCode="1"
      android:versionName="1.0">
<uses-sdk android:minSdkVersion="14"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
    <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />


        </intent-filter>
    </activity>

    <service android:name="DownloadService" >
    </service>
</application>
</manifest>

解决方案

The service isn't available to other applications because you haven't made it explicitly available. Your service needs to be defined like this:

<service android:name="DownloadService"
         android:exported="true">
</service>

You don't need any extra permissions (unless you want to use them)

这篇关于同时开始从Android的服务权限问题的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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