| /* |
| * Copyright 2013 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 com.example.android.screencapture; |
| |
| import android.os.Bundle; |
| import android.support.v4.app.FragmentTransaction; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.widget.ViewAnimator; |
| |
| import com.example.android.common.activities.SampleActivityBase; |
| import com.example.android.common.logger.Log; |
| import com.example.android.common.logger.LogFragment; |
| import com.example.android.common.logger.LogWrapper; |
| import com.example.android.common.logger.MessageOnlyLogFilter; |
| |
| /** |
| * A simple launcher activity containing a summary sample description, sample log and a custom |
| * {@link android.support.v4.app.Fragment} which can display a view. |
| * <p> |
| * For devices with displays with a width of 720dp or greater, the sample log is always visible, |
| * on other devices it's visibility is controlled by an item on the Action Bar. |
| */ |
| public class MainActivity extends SampleActivityBase { |
| |
| public static final String TAG = "MainActivity"; |
| |
| // Whether the Log Fragment is currently shown |
| private boolean mLogShown; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_main); |
| |
| if (savedInstanceState == null) { |
| FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); |
| ScreenCaptureFragment fragment = new ScreenCaptureFragment(); |
| transaction.replace(R.id.sample_content_fragment, fragment); |
| transaction.commit(); |
| } |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| getMenuInflater().inflate(R.menu.main, menu); |
| return true; |
| } |
| |
| @Override |
| public boolean onPrepareOptionsMenu(Menu menu) { |
| MenuItem logToggle = menu.findItem(R.id.menu_toggle_log); |
| logToggle.setVisible(findViewById(R.id.sample_output) instanceof ViewAnimator); |
| logToggle.setTitle(mLogShown ? R.string.sample_hide_log : R.string.sample_show_log); |
| |
| return super.onPrepareOptionsMenu(menu); |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| switch(item.getItemId()) { |
| case R.id.menu_toggle_log: |
| mLogShown = !mLogShown; |
| ViewAnimator output = (ViewAnimator) findViewById(R.id.sample_output); |
| if (mLogShown) { |
| output.setDisplayedChild(1); |
| } else { |
| output.setDisplayedChild(0); |
| } |
| supportInvalidateOptionsMenu(); |
| return true; |
| } |
| return super.onOptionsItemSelected(item); |
| } |
| |
| /** Create a chain of targets that will receive log data */ |
| @Override |
| public void initializeLogging() { |
| // Wraps Android's native log framework. |
| LogWrapper logWrapper = new LogWrapper(); |
| // Using Log, front-end to the logging chain, emulates android.util.log method signatures. |
| Log.setLogNode(logWrapper); |
| |
| // Filter strips out everything except the message text. |
| MessageOnlyLogFilter msgFilter = new MessageOnlyLogFilter(); |
| logWrapper.setNext(msgFilter); |
| |
| // On screen logging via a fragment with a TextView. |
| LogFragment logFragment = (LogFragment) getSupportFragmentManager() |
| .findFragmentById(R.id.log_fragment); |
| msgFilter.setNext(logFragment.getLogView()); |
| |
| Log.i(TAG, "Ready"); |
| } |
| } |