Android 监听应用安装 删除安装包

//类UpdateInfo

//类
public class UpdateInstallReceiver extends BroadcastReceiver {

    private static UpdateInfo mUpdateInfo;

    @Override
    public void onReceive(Context context, Intent intent) {

        //获取到网络上apk的信息
        mUpdateInfo = UpdateManager.getmUpdateInfo();

        switch (Objects.requireNonNull(intent.getAction())) {
            case Intent.ACTION_PACKAGE_ADDED:
//                Toast.makeText(context, "有应用被添加", Toast.LENGTH_LONG).show();
                UpdateUtils.clearUpdateApk(context, mUpdateInfo.getApkName());
                break;
            case Intent.ACTION_PACKAGE_REMOVED:
//                Toast.makeText(context, "有应用被删除", Toast.LENGTH_LONG).show();
                UpdateUtils.clearUpdateApk(context, mUpdateInfo.getApkName());
                break;
            case Intent.ACTION_PACKAGE_REPLACED:
//                Toast.makeText(context, "有应用被替换", Toast.LENGTH_LONG).show();
                UpdateUtils.clearUpdateApk(context, mUpdateInfo.getApkName());
                break;
            case Intent.ACTION_PACKAGE_CHANGED:
//                Toast.makeText(context, "有应用被改变", Toast.LENGTH_LONG).show();
                break;
            case Intent.ACTION_PACKAGE_RESTARTED:
//                Toast.makeText(context, "有应用被重启", Toast.LENGTH_LONG).show();
                break;
        }

    }

}

//注册

	UpdateInstallReceiver updateInstallReceiver = new UpdateInstallReceiver();
	IntentFilter intentFilter1 = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);
	intentFilter1.addAction(Intent.ACTION_PACKAGE_ADDED);
	intentFilter1.addAction(Intent.ACTION_PACKAGE_REPLACED);
	intentFilter1.addAction(Intent.ACTION_PACKAGE_REMOVED);
	intentFilter1.addDataScheme("package");
	context.registerReceiver(updateInstallReceiver, intentFilter1);
		
//注销

	context.unregisterReceiver(updateInstallReceiver);
	
//删除安装包

	public static void clearUpdateApk(Context context, String filename){
        File updateDir;
        File updateFile;
        if (Environment.MEDIA_MOUNTED.equals(Environment
                .getExternalStorageState())) {
            updateDir = new File(Environment.getExternalStorageDirectory(),
                    UpdateInfo.updateDownloadDir);
        } else {
            updateDir = context.getFilesDir();
        }
        updateFile = new File(updateDir.getPath(),filename + ".apk");
        if (updateFile.exists()) {
            UpdateUtils.print("Update: delete update apk");
            boolean cls = updateFile.delete();
            Toast.makeText(context, String.format("%s.apk is deleted", filename), Toast.LENGTH_LONG).show();
        } else {
            UpdateUtils.print("Update: no update apk to delete");
        }
    }