<#ftl> <#-- 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 ${sample.package}; 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. *

* 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(); ${sample.name?cap_first}Fragment fragment = new ${sample.name?cap_first}Fragment(); 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"); } }