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<activity android:name=".AudioPlayer"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
package com.min;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
public class MainMenu extends Activity {
public static final int ADD_ID = Menu.FIRST;
public static final int DELETE_ID = Menu.FIRST + 1;
public static final int EXIT_ID = Menu.FIRST + 2;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
public boolean onCreateOptionsMenu(android.view.Menu menu) {
// TODO Auto-generated method stub
super.onCreateOptionsMenu(menu);
menu.add(0, ADD_ID, 0, R.string.menuAdd);
menu.add(0, DELETE_ID, 1, R.string.menuDelete);
menu.add(0, EXIT_ID, 2, R.string.menuExit);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch(item.getItemId()) {
case ADD_ID:
setTitle("Insert...");
break;
case DELETE_ID:
setTitle("Delete...");
break;
case EXIT_ID:
finish();
break;
}
return super.onOptionsItemSelected(item);
}
}
Intent intent = new Intent();
//前面是当前Activity后面是要跳转Activity
intent.setClass(AudioPlayer.this, Display.class);
//开始界面的跳转函数
startActivity(intent);