Andorid程序安装，替换及卸载操作

来源：互联网发布：sra数据上传编辑：程序博客网时间：2024/06/14 23:54

/** * 安卓应用程序 APK安装，替换及卸载 *  * @description： * @author ldm * @date 2016-4-27 下午4:53:01 */public class ApkOperatorActivity extends Activity {    // 安装    private static final int INSTALL_REQUEST = 1;    // 卸载    private static final int UNINSTALL_REQUEST = 2;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.operator_apk_layout);        initButtonsAndListeners();    }    /**     * 初始化Button及监听事件     *      * @description：     * @author ldm     * @date 2016-4-27 下午4:29:12     */    private void initButtonsAndListeners() {        Button button = (Button) findViewById(R.id.unknown_source);        button.setOnClickListener(installApkListener);        button = (Button) findViewById(R.id.my_source);        button.setOnClickListener(installResultListener);        button = (Button) findViewById(R.id.replace);        button.setOnClickListener(replaceApkListener);        button = (Button) findViewById(R.id.uninstall);        button.setOnClickListener(uninstallApkListener);        button = (Button) findViewById(R.id.uninstall_result);        button.setOnClickListener(uninstallResultListener);    }    @Override    public void onActivityResult(int requestCode, int resultCode, Intent intent) {        if (requestCode == INSTALL_REQUEST) {            if (resultCode == Activity.RESULT_OK) {                showToastMsg("安装成功!");            } else if (resultCode == Activity.RESULT_CANCELED) {                showToastMsg("取消安装！");            } else {                showToastMsg("安装失败！");            }        } else if (requestCode == UNINSTALL_REQUEST) {            if (resultCode == Activity.RESULT_OK) {                showToastMsg("卸载成功！");            } else if (resultCode == Activity.RESULT_CANCELED) {                showToastMsg("取消卸载！");            } else {                showToastMsg("卸载失败！");            }        }    }    private OnClickListener installApkListener = new OnClickListener() {        public void onClick(View v) {            // 安装APK            Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE);            intent.setData(Uri.fromFile(checkApkFile("HelloActivity.apk")));            startActivity(intent);        }    };    private OnClickListener installResultListener = new OnClickListener() {        public void onClick(View v) {            Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE);            intent.setData(Uri.fromFile(checkApkFile("HelloActivity.apk")));            // 未知安装源            intent.putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true);            // 返回结果            intent.putExtra(Intent.EXTRA_RETURN_RESULT, true);            // 安装包的名称            intent.putExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME,                    getApplicationInfo().packageName);            startActivityForResult(intent, INSTALL_REQUEST);        }    };    private OnClickListener replaceApkListener = new OnClickListener() {        public void onClick(View v) {            Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE);            intent.setData(Uri.fromFile(checkApkFile("HelloActivity.apk")));            intent.putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true);            intent.putExtra(Intent.EXTRA_RETURN_RESULT, true);            // 替换安装包            intent.putExtra(Intent.EXTRA_ALLOW_REPLACE, true);            intent.putExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME,                    getApplicationInfo().packageName);            startActivityForResult(intent, INSTALL_REQUEST);        }    };    private OnClickListener uninstallApkListener = new OnClickListener() {        public void onClick(View v) {            // 卸载            Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE);            intent.setData(Uri.parse("package:com.ldm.study.SmsActivity"));            startActivity(intent);        }    };    private OnClickListener uninstallResultListener = new OnClickListener() {        public void onClick(View v) {            Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE);            intent.setData(Uri                    .parse("package:com.example.android.helloactivity"));            // 设置卸载结果            intent.putExtra(Intent.EXTRA_RETURN_RESULT, true);            startActivityForResult(intent, UNINSTALL_REQUEST);        }    };    private File checkApkFile(String assetName) {        // 把测试的apk文件放到项目的Assets文件夹下面        byte[] buffer = new byte[8192];        InputStream is = null;        FileOutputStream fos = null;        try {            is = getAssets().open(assetName);            fos = openFileOutput("HelloActivity.apk",                    Context.MODE_WORLD_READABLE);            int n;            while ((n = is.read(buffer)) >= 0) {                fos.write(buffer, 0, n);            }        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                if (is != null) {                    is.close();                }            } catch (IOException e) {            }            try {                if (fos != null) {                    fos.close();                }            } catch (IOException e) {            }        }        return getFileStreamPath("HelloActivity.apk");    }    private void showToastMsg(String msg) {        Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();    }}

布局文件

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:gravity="center_horizontal"    android:orientation="vertical"    android:padding="10dip" >    <TextView        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:paddingBottom="4dip"        android:text="演示如何使用APP安装包及意图Intent来安装一个应用程序。"        android:textAppearance="?android:attr/textAppearanceLarge" />    <Button        android:id="@+id/unknown_source"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="10dp"        android:text="安装APK" >    </Button>    <Button        android:id="@+id/my_source"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="10dp"        android:text="安装并提示结果" >    </Button>    <Button        android:id="@+id/replace"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="10dp"        android:text="替换APK" >    </Button>    <Button        android:id="@+id/uninstall"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="10dp"        android:text="卸载APK" >    </Button>    <Button        android:id="@+id/uninstall_result"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="10dp"        android:text="卸载并提示结果" >    </Button></LinearLayout>

**提示：要在项目的assets文件夹下放一个可安装的HelloActivity.apk文件，否则看不出效果。
开源代码：https://github.com/ldm520/ANDROID_API_DEMOS

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