Android(安卓)静默安装apk

代码：
import java.io.File;import android.app.Activity;import android.os.Bundle;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;import android.content.pm.IPackageInstallObserver;import android.content.pm.IPackageDeleteObserver;import android.content.res.Resources;import android.graphics.drawable.Drawable;import android.net.Uri;import android.os.Environment;import android.os.Handler;import android.os.Message;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ProgressBar;import android.widget.TextView;public class InstallActivity extends Activity {/** Called when the activity is first created. */private Button btn1;private Button btn2;private final int INSTALL_COMPLETE = 1;private final int UNINSTALL_COMPLETE = 1;final static int SUCCEEDED = 1;final static int FAILED = 0;public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);btn1 = (Button) findViewById(R.id.btn1);btn2.setOnClickListener(listener1);btn2 = (Button) findViewById(R.id.btn2);btn2.setOnClickListener(listener2);}private OnClickListener listener1 = new OnClickListener() {public void onClick(View v) {String apkPath = Environment.getExternalStorageDirectory()+ "/baidu/" + "UC.apk";String packageName = "com.uc.browser";install(apkPath, packageName);}};private OnClickListener listener2 = new OnClickListener() {public void onClick(View v) {String packageName = "com.uc.browser";uninstall(packageName);}};// 安装public void install(String apkPath, String packageName) {Uri uri = Uri.fromFile(new File(apkPath));int installFlags = 0;PackageManager pm = getPackageManager();try {PackageInfo pi = pm.getPackageInfo(packageName,PackageManager.GET_UNINSTALLED_PACKAGES);if (pi != null) {installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;}} catch (NameNotFoundException e) {Log.d("debug", "NameNotFoundException--" + e.getMessage());}PackageInstallObserver observer = new PackageInstallObserver();pm.installPackage(uri, observer, installFlags, packageName);}// 卸载public void uninstall(String packageName) {PackageManager pm = getPackageManager();PackageDeleteObserver observer = new PackageDeleteObserver();pm.deletePackage(packageName, observer, 0);}class PackageInstallObserver extends IPackageInstallObserver.Stub {public void packageInstalled(String packageName, int returnCode) {Message msg = mHandler.obtainMessage(INSTALL_COMPLETE);msg.arg1 = returnCode;mHandler.sendMessage(msg);}};class PackageDeleteObserver extends IPackageDeleteObserver.Stub {public void packageDeleted(boolean succeeded) {Message msg = mHandler.obtainMessage(UNINSTALL_COMPLETE);msg.arg1 = succeeded ? SUCCEEDED : FAILED;mHandler.sendMessage(msg);}}private Handler mHandler = new Handler() {public void handleMessage(Message msg) {switch (msg.what) {case INSTALL_COMPLETE:int centerTextLabel;Drawable centerTextDrawable = null;if (msg.arg1 == SUCCEEDED) {} else {}if (centerTextDrawable != null) {}break;default:break;}}};}
此代码需要在sdk环境下编译（且本人用的System权限android:sharedUserId="android.uid.system"）

源： http://hi.baidu.com/w22ee/item/f995a28bc6858b56e73d1978
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