在Android的操作栏中,在标题左侧添加图标 [英] Add Icon to the left of the title in the action bar in android
本文介绍了在Android的操作栏中,在标题左侧添加图标的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想在操作栏中标题的左侧添加一个可单击的图标/按钮.怎么做? 以下是我在操作栏中添加了搜索和设置图标的代码.它们显示在右侧.但我想在标题左侧添加一个新图标.怎么做? XML:
I want to add a clickable icon/button to the left of the title in the action bar . How to do it? Following is the code with which I have added search and setting icon to the action bar. They appear on the right. But i want to add a new icon to the left of title. How to do it? XML :
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context=".ui.home.activities.TransactionSearchActivity">
<item
android:id="@+id/action_search"
android:icon="@android:drawable/ic_menu_search"
android:title="search"
app:actionViewClass="android.support.v7.widget.SearchView"
app:showAsAction="always" />
<item android:id="@+id/action_setting"
android:title="categories"
android:icon="@drawable/icon_settings_h"
app:showAsAction="always"
/>
主要活动
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu, menu);
return true;
}
推荐答案
推荐方式
getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_settings_24dp);// set drawable icon
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
处理图标点击事件
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Toast.makeText(this, "click..!!", Toast.LENGTH_SHORT).show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
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