知识点
1.抽取BaseActivity 管理所有activity 方便退出
2.MainActivity
public class MainActivity extends BaseActivity implements
OnQueryTextListener {
private DrawerLayout mDrawerLayout;
private ActionBarDrawerToggle drawerToggle;
private ViewPager mViewPager;
private PagerTabStrip pager_tab_strip;
private String[] tab_names; // 标签的名字
@Override
protected void initActionBar() {
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
drawerToggle = new ActionBarDrawerToggle(this,
mDrawerLayout, R.drawable.ic_drawer_am, R.string.open_drawer,
R.string.close_drawer){
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
Toast.makeText(getApplicationContext(), "抽屉关闭了", 0).show();
}
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
Toast.makeText(getApplicationContext(), "抽屉打开了", 0).show();
}
};
mDrawerLayout.setDrawerListener(drawerToggle);
// 让开关和actionbar建立关系
drawerToggle.syncState();
}
@Override
protected void init() {
tab_names = UiUtils.getStringArray(R.array.tab_names);
}
@Override
protected void initView() {
setContentView(R.layout.activity_main);
mDrawerLayout = (DrawerLayout) findViewById(R.id.dl);
mViewPager=(ViewPager) findViewById(R.id.vp);
pager_tab_strip=(PagerTabStrip) findViewById(R.id.pager_tab_strip);
// 设置标签下划线的颜色
pager_tab_strip.setTabIndicatorColor(getResources().getColor(R.color.indicatorcolor));
mViewPager.setAdapter(new MainAdpater(getSupportFragmentManager()));
//sendBroadcast(new Intent("com.itheima.google.killall"));
//Log.i(tag, msg)
}
private class MainAdpater extends FragmentStatePagerAdapter{
public MainAdpater(FragmentManager fm) {
super(fm);
}
// 每个条目返回的fragment
// 0
@Override
public Fragment getItem(int position) {
// 通过Fragment工厂 生产Fragment
return FragmentFactory.createFragment(position);
}
// 一共有几个条目
@Override
public int getCount() {
return tab_names.length;
}
// 返回每个条目的标题
@Override
public CharSequence getPageTitle(int position) {
return tab_names[position];
}
}
@SuppressLint("NewApi")
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
// 如果运行的环境 (部署到什么版本的手机 )大于3.0
if (android.os.Build.VERSION.SDK_INT > 11) {
SearchView searchView = (SearchView) menu.findItem(
R.id.action_search).getActionView();
searchView.setOnQueryTextListener(this);// 搜索的监听
}
return true;
}
/** 处理actionBar菜单条目的点击事件 */
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.action_search) {
Toast.makeText(getApplicationContext(), "搜索", 0).show();
}
return drawerToggle.onOptionsItemSelected(item)|super.onOptionsItemSelected(item);
}
// 当搜索提交的时候
@Override
public boolean onQueryTextSubmit(String query) {
Toast.makeText(getApplicationContext(), query, 0).show();
return true;
}
// 当搜索的文本发生变化
@Override
public boolean onQueryTextChange(String newText) {
return true;
}
}
3.UiUtils
这样定义数组:string.xml里
<string-array name="tab_names">
<item>首页</item>
<item>应用</item>
<item>游戏</item>
<item>专题</item>
<item>分类</item>
<item>排行</item>
</string-array>
4.FragmentFactory
通过这样获取上下文
/**
* 代表当前应用程序
* @author itcast
*
*/
public class BaseApplication extends Application {
private static BaseApplication application;
@Override
public void onCreate() {
super.onCreate();
application=this;
}
public static Context getApplication() {
return application;
}
}