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我希望大家都做得很好。這是我在這個有用的網站上的第一個問題。我正在嘗試使用Android Studio（版本2.2.2）在Android上創建我的第一個應用程序。我似乎無法更改標題或顯示我的選項菜單中的圖標。下圖是它的樣子。無法更改標題並無法在操作欄上顯示圖標
以下是我的strings.xml（有些不習慣）：
<resources>
<string name="app_name">Weekly Duties</string>
<string name="weekly">Weekly things to do</string>
<string name="vognormal">Vault of Glass (Normal)</string>
<string name="stop">Stop Clicking me</string>
<string name="title_search">Search</string>
<string name="title_share">Share</string>
</resources>
此代碼是我activity_main.xml中
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/app_name"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="hobbiapps.destinyweeklytracker.MainActivity"
android:showAsAction="always"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/weekly"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<CheckBox
android:text="CheckBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkBox3"
android:layout_below="@+id/checkBox1"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<CheckBox
android:text="@string/vognormal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkBox1"
android:layout_below="@+id/textView"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="13dp"
tools:ignore="UnknownId" />
</RelativeLayout>
這是我main_menu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:tools="http://schemas.android.com/tools"
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/settings_id"
android:title="Settings"
android:orderInCategory="0"
android:showAsAction="always"
android:icon="@drawable/ic_settings_black_24dp" //icon for settings
tools:ignore="AppCompatResource" />
<item
android:id="@+id/share_id"
android:title="Share"
android:showAsAction="always"
android:orderInCategory="0"
android:icon="@drawable/ic_share_black_24dp" //icon for sharing
tools:ignore="AppCompatResource" />
<item
android:id="@+id/about_me_id"
android:title="About Me"
android:showAsAction="never"
tools:ignore="AppCompatResource" />
<item
android:id="@+id/Contact_Me_id"
android:title="Contact Me"
android:showAsAction="never"
tools:ignore="AppCompatResource" />
<item
android:id="@+id/search_id"
android:title="Search"
android:orderInCategory="0"
android:showAsAction="always"
tools:ignore="AppCompatResource"
android:icon="@drawable/ic_search_black_24dp"/> //icon for searching
</menu>
最後但並非最不重要的MainActivity.java
package hobbiapps.destinyweeklytracker;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.support.v7.app.ActionBarActivity;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater menuinflater = getMenuInflater();
menuinflater.inflate(R.menu.main_menu, menu);
return true;
}
}
感謝您提前給予任何幫助！