[英]Toolbar icons not appearing in AppCompat Activity
I am trying to add toolbar to my app but somehow it is not working. 我正在尝试将工具栏添加到我的应用程序,但不知何故。 Neither title not action icons are appearing. 既没有标题也没有动作图标出现。 Even " : " menu is also not appearing. 即使“:”菜单也没有出现。 Here are my codes: 这是我的代码:
Style.xml: Style.xml:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
</resources>
Menu_main.xml: Menu_main.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="com.example.vaibhav.thirdeye.MainActivity">
<item
android:id="@+id/action_settings"
android:orderInCategory="100"
android:title="@string/action_settings"
app:showAsAction="never" />
<item android:id="@+id/next"
android:title="@string/next"
android:orderInCategory="200"
android:icon="@drawable/next_arrow"
app:showAsAction="always"/>
</menu>
content_main.xml: content_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/back_splash"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.example.vaibhav.thirdeye.MainActivity"
tools:showIn="@layout/activity_main"
app:theme="@style/AppTheme.NoActionBar">
<include
android:id="@+id/app_bar"
layout="@layout/app_bar" />
MainActivity.java: MainActivity.java:
public class MainActivity extends AppCompatActivity {
public static final String EXTRA_MESSAGE = "com.example.vaibhav.thirdeye.MESSAGE";
Toolbar toolbar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Adding Custom toolbar
toolbar = (Toolbar) findViewById(R.id.app_bar);
setSupportActionBar(toolbar);
toolbar.setNavigationIcon(R.drawable.next_arrow);
toolbar.setTitle("ThirdEye");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main,menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
switch (id){
case R.id.action_settings:
Toast settings = Toast.makeText(this, "Voila!", Toast.LENGTH_SHORT);
settings.show();
case R.id.next:
Toast next = Toast.makeText(this, "Voila!", Toast.LENGTH_SHORT);
next.show();
}
return true;
}
}
app_bar.xml: app_bar.xml:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="@dimen/icon_size"
android:background="@color/colorPrimary">
</android.support.v7.widget.Toolbar>
Output Screenshot: 输出截图:
Any helps???? 有帮助吗?
删除MainActivity的activity_main.xml布局中的其他工具栏,它将解决您的问题。
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