Toolbar标题栏

<android.support.v7.widget.Toolbar
android:id="@+id/tool_bar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/colorPrimary"></android.support.v7.widget.Toolbar>

/**
* 1.在布局文件中添加ToolBar控件
* 2.在styles.xml文件中隐藏ActionBar
* 3.在Activity中查找ToolBar，并给Toolbar设置属性，最后，用ToolBar代替ActionBar
*/
public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.tool_bar);
//设置标题
toolbar.setTitle("Title");
//设置二级标题
toolbar.setSubtitle("二级标题");
//设置导航图标
//        toolbar.setNavigationIcon(R.drawable.abg);
//        toolbar.setLogo(R.drawable.abg);
//将ToolBar当作ActionBar来使用
setSupportActionBar(toolbar);
//显示导航按钮，这行代码一定要放在setSupportActionBar(toolbar);之后执行
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Toast.makeText(MainActivity.this, "home", Toast.LENGTH_SHORT).show();
break;
}
return super.onOptionsItemSelected(item);
}
}

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.tool_bar);
toolbar.setTitle("Title");
toolbar.setSubtitle("SubTitle");
//加载菜单文件到ToolBar上
toolbar.inflateMenu(R.menu.main);
//设置菜单项的点击事件
toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu1:
Toast.makeText(MainActivity.this, "menu1", Toast.LENGTH_SHORT).show();
break;
}
return true;
}
});
}
}

<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/share"
android:title="share"
app:actionProviderClass="android.support.v7.widget.ShareActionProvider"
app:showAsAction="always"/>
<item
android:id="@+id/search"
android:title="search"
app:showAsAction="always"
app:actionViewClass="android.support.v7.widget.SearchView"/>
</menu>

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.tool_bar);
setSupportActionBar(toolbar);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu, menu);
/**************************处理分享控件**************************/
//获得分享item
MenuItem shareItem = menu.findItem(R.id.share);
//获得ShareActionProvider
ShareActionProvider shareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(shareItem);
//设置要分享的数据
shareActionProvider.setShareIntent(getShareIntent());
/*******************************处理搜索控件*************************************/
SearchView searchView = (SearchView) menu.findItem(R.id.search).getActionView();
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
//提交搜索 文本时触发
@Override
public boolean onQueryTextSubmit(String query) {
Log.d("lenve", "onQueryTextSubmit: " + query);
return true;
}

//搜索文本改变时触发
@Override
public boolean onQueryTextChange(String newText) {
Log.d("lenve", "onQueryTextChange: " + newText);
return true;
}
});
return super.onCreateOptionsMenu(menu);
}

private Intent getShareIntent() {
Intent intent = new Intent();
//设置要分享的数据
intent.putExtra(Intent.EXTRA_STREAM, Uri.parse(Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
.getAbsolutePath() + File.separator + "p2.png"));
//设置数据类型
intent.setType("image/*");
return intent;
}
}