String fileName = Environment.getExternalStorageDirectory() + "/myApp.apk";Intent intent = new Intent(Intent.ACTION_VIEW);intent.setDataAndType(Uri.parse("file://" + filePath),"application/vnd.android.package-archive");

//intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive");startActivity(intent);

Intent intent = new Intent();intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setAction(android.content.Intent.ACTION_VIEW);/* 調(diào)用getMIMEType()來取得MimeType */String type = getMIMEType(f);/* 設(shè)置intent的file與MimeType */intent.setDataAndType(Uri.fromFile(f),type);startActivity(intent);

<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>

Uri packageURI = Uri.parse("package:com.android.myapp");Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);startActivity(uninstallIntent);