通过事件启动另外一个Activity
来源：互联网 发布：js 精度丢失 知乎 编辑：程序博客网 时间：2024/05/16 14:10
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello"/> <Button android:id="@+id/play" android:layout_width="100dp" android:layout_height="100dp" android:text="@string/end_game" /></LinearLayout>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <Button android:id="@+id/end_game" android:layout_width="100dp" android:layout_height="100dp" /> </LinearLayout>
package com.example.lauch_acticity;import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.view.Menu;import android.view.View;import android.widget.Button;public class MenuScreen extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main1);Button startButton = (Button)findViewById(R.id.play);startButton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubstartGame();}});}private void startGame(){Intent intent = new Intent (MenuScreen.this,PlayGame.class);startActivity(intent);}}
package com.example.lauch_acticity;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.view.View.OnLongClickListener;import android.widget.Toast; import android.view.View.OnClickListener; public class PlayGame extends Activity{@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.game);//注意新建一个Activity的时候一定要绑定布局文件Button startButton = (Button)findViewById(R.id.end_game);startButton.setOnClickListener(new OnClickListener() {public void onClick(View v) {finish();}});startButton.setOnLongClickListener(new OnLongClickListener() { public boolean onLongClick(View v) { // TODO Auto-generated method stub Toast.makeText(PlayGame.this, "LongClick", Toast.LENGTH_LONG).show(); return true; } }); }}
