must have permission android.permission.SET_WALLPAPER

java.lang.SecurityException: Access denied to process: 1363, must have permission android.permission.SET_WALLPAPER

注意：只要资源操，作必须授权

在manifest.xml中添加  权限 android.permission.SET_WALLPAPER 

一句话 ：<uses-permission android:name="android.permission.SET_WALLPAPER"/>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myonlongclicklistener"
    android:versionCode="1"
    android:versionName="1.0" >


    <uses-sdk
        android:minSdkVersion="10"
        android:targetSdkVersion="15" />


    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MyLongClick"
            android:label="@string/title_activity_my_long_click" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>


<uses-permission android:name="android.permission.SET_WALLPAPER"/>
</manifest>