Java tutorial
/* * Copyright (c) 2016 Skytrait * * 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. * * www.skytrait.com * */ package com.brandao.tictactoe.settings; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.annotation.Nullable; import android.support.design.widget.CoordinatorLayout; import android.support.v4.app.NavUtils; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import com.brandao.tictactoe.R; public class SettingsActivity extends AppCompatActivity { public static final String TAG = "SettingsActivity"; private final String FRAGMENT_TAG_SETTINGS = "settings"; public static final int ACTIVITY_RESULT_SETTINGS_UPDATE = 1; public static final int ACTIVITY_RESULT_SETTINGS_ADVERTISEMENT_UPDATE = 3; public static final int ACTIVITY_REQUEST_SETTINGS = 2; private SettingsFragment mSettingsFragment; private Toolbar mToolbar; private CoordinatorLayout mCoordinatorLayout; private SharedPreferences mPrefs; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.settings_acitivty); mPrefs = PreferenceManager.getDefaultSharedPreferences(this); mCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.settings_activity_coordinator_layout); mToolbar = (Toolbar) findViewById(R.id.settings_activity_tool_bar); setSupportActionBar(mToolbar); getSupportActionBar().setDisplayHomeAsUpEnabled(true); mSettingsFragment = (SettingsFragment) getFragmentManager().findFragmentByTag(FRAGMENT_TAG_SETTINGS); if (mSettingsFragment == null) { mSettingsFragment = SettingsFragment.newInstance(); getFragmentManager().beginTransaction() .replace(R.id.settings_fragment_container, mSettingsFragment, FRAGMENT_TAG_SETTINGS).commit(); } } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == ACTIVITY_REQUEST_SETTINGS) { setResult(resultCode, data); } } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.settings_activity, menu); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: { NavUtils.navigateUpFromSameTask(this); return true; } case R.id.menu_item_app_manager: { Intent intent = new Intent(); intent.setAction(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS); Uri uri = Uri.fromParts("package", getApplicationContext().getPackageName(), null); intent.setData(uri); startActivity(intent); return true; } } return super.onOptionsItemSelected(item); } public CoordinatorLayout getCoordinatorLayout() { return mCoordinatorLayout; } @Override public void finish() { Settings.sendPrefAnalyticEvent(this, mPrefs); super.finish(); } }