本文实例讲述了Android编程之软件的安装和卸载方法。分享给大家供大家参考,具体如下:
安装:从sdcard
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String fileName = Environment.getExternalStorageDirectory() + "/myApp.apk" ;
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse( "file://" + filePath), "application/vnd.android.package-archive" );
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或者
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//intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive");
startActivity(intent);
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安装或升级 从网络
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Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
/* 调用getMIMEType()来取得MimeType */
String type = getMIMEType(f);
/* 设置intent的file与MimeType */
intent.setDataAndType(Uri.fromFile(f),type);
startActivity(intent);
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需要的权限
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< uses-permission android:name = "android.permission.INTERNET" ></ uses-permission >
< uses-permission android:name = "android.permission.INSTALL_PACKAGES" ></ uses-permission >
< uses-permission android:name = "android.permission.MOUNT_UNMOUNT_FILESYSTEMS" ></ uses-permission >
< uses-permission android:name = "android.permission.WRITE_EXTERNAL_STORAGE" ></ uses-permission >
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卸载
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Uri packageURI = Uri.parse( "package:com.android.myapp" );
Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);
startActivity(uninstallIntent);
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希望本文所述对大家Android程序设计有所帮助。