ToolBar标题 - 爱码网

##MainActivity

private Toolbar toolbar;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //获取toobar对象
    toolbar = findViewById(R.id.toolbar);

    //一定要写到第一行
    setSupportActionBar(toolbar);
    //设置是否显示主标题
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    //设置标题
    getSupportActionBar().setTitle("title");
    //设置主标题颜色
    toolbar.setTitleTextColor(Color.BLUE);

    //设置子标题及子标题颜色
    toolbar.setSubtitle("subtitle");
    toolbar.setSubtitleTextColor(Color.BLUE);

    //设置是否显示左侧的按钮
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    //给左侧的按钮
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //这里处理返回按钮的逻辑
            MainActivity.this.finish();
        }
    });
}


@Override
public boolean onCreateOptionsMenu(Menu menu) {

    getMenuInflater().inflate(R.menu.tool_menu,menu);
    return super.onCreateOptionsMenu(menu);

}

@Override
public boolean onPrepareOptionsMenu(Menu menu) {
    return super.onPrepareOptionsMenu(menu);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    return super.onOptionsItemSelected(item);
}

@Override
public void onOptionsMenuClosed(Menu menu) {
    super.onOptionsMenuClosed(menu);
}

@Override
public boolean onMenuOpened(int featureId, Menu menu) {
    return super.onMenuOpened(featureId, menu);
}

##MainActivity布局
<android.support.v7.widget.Toolbar
android:layout_width=“match_parent”
android:layout_height=“wrap_content”
android:id="@+id/toolbar"></android.support.v7.widget.Toolbar>

##Menu

<?xml version="1.0" encoding="utf-8"?>

< menu
xmlns:toolBar=“http://schemas.android.com/apk/res-auto”
xmlns:android=“http://schemas.android.com/apk/res/android”>
< item android:id="@+id/frist"
android:icon="@mipmap/ic_launcher"
android:orderInCategory=“1”
toolBar:showAsAction=“never”
android:title=“点击编辑”
>< /item>
< item
android:id="@+id/second"
android:icon="@mipmap/ic_launcher"
android:orderInCategory=“2”
toolBar:showAsAction=“ifRoom”
android:title=“点击分享”
>< /item>
< /menu>
##style
< style name=“AppTheme_base” parent=“Theme.AppCompat.Light.NoActionBar”>

< item name=“colorPrimary”>@color/colorPrimary< /item>
< item name=“colorPrimaryDark”>@color/colorPrimaryDark< /item>
< item name=“colorAccent”>@color/colorAccent< /item>
< /style>

效果图
ToolBar标题