-sdkandroid:minSdkVersion="17"android:targetSdkVersion="17"/><uses-permissionandroid:name="android.permission.CALL_PHONE"/><applicationandroid:allowBackup="true"android:icon="@drawable/ic_launcher"android:label="@string/app_name"android:theme="@style/AppTheme"><activityandroid:name="com.example.qq.MainActivity"android:label="@string/app_name"><intent-filter><actionandroid:name="android.intent.action.MAIN"/><categoryandroid:name="android.intent.category.LAUNCHER"/></intent-filter></activity><activityandroid:name="com.example.qq.SecActivity"android:label="@string/title_activity_sec"></activity></application></manifest>http://blog./uid-21209537-id-3179289.html①AndroidLayout文件Layout文件,用来呈现一个拨打电话的按钮。<?xmlversion="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas./apk/res/android"
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