ReplaceFragmentTransactionActivity.java

/*
 * Copyright 2016 Hannes Dorfmann.
 *
 * 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 com.hannesdorfmann.mosby3.utils.fragment.integrationtest.backstack;

import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import com.hannesdorfmann.mosby3.utils.fragment.integrationtest.R;

public class ReplaceFragmentTransactionActivity extends AppCompatActivity {

  private Handler handler = new Handler();
  private static final String TAG_BACKSTACK = "fragmentBackstack";
  private static final String TAG_NOT_BACKSTACK = "fragmentNotBackstack";
  public static final int FRAGMENTS_COUNT = 10;
  public static long timeToWaitForTransaction = 500;

  @Override protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_container);

    if (savedInstanceState == null) {
      int waitCounter = 1;
      for (int i = 0; i < FRAGMENTS_COUNT; i++) {
        postAddFragmentOnStack(timeToWaitForTransaction * waitCounter);
        waitCounter++;
        postAddFragmentNotOnStack(timeToWaitForTransaction * waitCounter);
        waitCounter++;
      }
    }
  }

  private void postAddFragmentNotOnStack(final long wait){
    handler.postDelayed(new Runnable() {
      @Override public void run() {
        getSupportFragmentManager().beginTransaction()
            .replace(R.id.fragmentContainer, ReplaceTransactionFragment.newInstance(false))
            .commit();
      }
    }, wait);
  }

  private void postAddFragmentOnStack(final long wait){
    handler.postDelayed(new Runnable() {
      @Override public void run() {
        getSupportFragmentManager().beginTransaction()
            .replace(R.id.fragmentContainer, ReplaceTransactionFragment.newInstance(true))
            .addToBackStack(null)
            .commit();
      }
    }, wait);
  }

  @Override public void onBackPressed() {
    super.onBackPressed();
  }
}