hostsidetests/securitybulletin/test-apps/CVE-2021-0305/src/android/security/cts/CVE_2021_0305/MainActivity.java

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.security.cts.CVE_2021_0305;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.Manifest.permission;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.util.Log;
import android.widget.Button;
import android.os.SystemClock;
import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION;


public class MainActivity extends Activity {

    private static final int REQUEST_CAMERA_PERMISSION = 0;
    Button testButton1;

    @Override
    public void onCreate(Bundle b) {
        super.onCreate(b);
        Log.e("CVE", "onCreate");
        setContentView(R.layout.activity_main);
        testButton1 = (Button) findViewById(R.id.testButton1);//get id of button

        testButton1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Log.d("CVE", "button click received");
            }
        });
    }

    @Override
    public void onEnterAnimationComplete() {
      super.onEnterAnimationComplete();
      Log.d("CVE", "MainActivity.onEnterAnimationComplete()");

      //open OverlayActivity to obstruct MainActivity
      Intent intent = new Intent(this, OverlayActivity.class);
      intent.setFlags(FLAG_ACTIVITY_NO_ANIMATION);
      startActivity(intent);
    }
}