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      1 /*
      2 * Copyright 2013 The Android Open Source Project
      3 *
      4 * Licensed under the Apache License, Version 2.0 (the "License");
      5 * you may not use this file except in compliance with the License.
      6 * You may obtain a copy of the License at
      7 *
      8 *     http://www.apache.org/licenses/LICENSE-2.0
      9 *
     10 * Unless required by applicable law or agreed to in writing, software
     11 * distributed under the License is distributed on an "AS IS" BASIS,
     12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 * See the License for the specific language governing permissions and
     14 * limitations under the License.
     15 */
     16 
     17 
     18 package com.example.android.immersivemode;
     19 
     20 import android.graphics.Color;
     21 import android.os.Bundle;
     22 import android.support.v4.app.FragmentTransaction;
     23 import android.view.Menu;
     24 
     25 import com.example.android.common.activities.SampleActivityBase;
     26 import com.example.android.common.logger.Log;
     27 import com.example.android.common.logger.LogFragment;
     28 import com.example.android.common.logger.LogWrapper;
     29 import com.example.android.common.logger.MessageOnlyLogFilter;
     30 
     31 /**
     32  * A simple launcher activity containing a summary sample description
     33  * and a few action bar buttons.
     34  */
     35 public class MainActivity extends SampleActivityBase {
     36 
     37     public static final String TAG = "MainActivity";
     38 
     39     public static final String FRAGTAG = "ImmersiveModeFragment";
     40 
     41     @Override
     42     protected void onCreate(Bundle savedInstanceState) {
     43         super.onCreate(savedInstanceState);
     44         setContentView(R.layout.activity_main);
     45 
     46         if (getSupportFragmentManager().findFragmentByTag(FRAGTAG) == null ) {
     47             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
     48             ImmersiveModeFragment fragment = new ImmersiveModeFragment();
     49             transaction.add(fragment, FRAGTAG);
     50             transaction.commit();
     51         }
     52     }
     53 
     54     @Override
     55     public boolean onCreateOptionsMenu(Menu menu) {
     56         getMenuInflater().inflate(R.menu.main, menu);
     57         return true;
     58     }
     59 
     60     /** Create a chain of targets that will receive log data */
     61     @Override
     62     public void initializeLogging() {
     63         // Wraps Android's native log framework.
     64         LogWrapper logWrapper = new LogWrapper();
     65         // Using Log, front-end to the logging chain, emulates android.util.log method signatures.
     66         Log.setLogNode(logWrapper);
     67 
     68         // Filter strips out everything except the message text.
     69         MessageOnlyLogFilter msgFilter = new MessageOnlyLogFilter();
     70         logWrapper.setNext(msgFilter);
     71 
     72         // On screen logging via a fragment with a TextView.
     73         LogFragment logFragment = (LogFragment) getSupportFragmentManager()
     74                 .findFragmentById(R.id.log_fragment);
     75         msgFilter.setNext(logFragment.getLogView());
     76         logFragment.getLogView().setTextAppearance(this, R.style.Log);
     77         logFragment.getLogView().setBackgroundColor(Color.WHITE);
     78 
     79 
     80         Log.i(TAG, "Ready");
     81     }
     82 }
     83