Android中使用隱式Intent完成“猜數(shù)游戲”的代碼清單

1、Android中使用隱式Intent完成“猜數(shù)游戲”的代碼清單范美英（北京信息職業(yè)技術(shù)學院）摘 要：Android中可以使用Intent完成界面切換、組件之間的通信等功能，本文詳細羅列了使用隱式Intent完成“猜數(shù)游戲”的代碼清單。關(guān)鍵詞： Android；Intent；猜數(shù)游戲；代碼清單 1 src/MainActivity.java類的代碼package com.zyk.getvaluesfromactivity;import android.app.Activity;import android.content.Intent;import android.os.Bundle;impor

2、t android.view.KeyEvent;import android.view.View;public class MainActivity extends Activity Intent i;final String key="num_key" Overrideprotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);i=this.getIntent();public voi

3、d clickIMGs(View v)switch(v.getId()case R.id.img_1:i.putExtra(key, 1);break;case R.id.img_2:i.putExtra(key, 2);break;case R.id.img_3:i.putExtra(key, 3);break;case R.id.img_4:i.putExtra(key, 4);break;case R.id.img_5:i.putExtra(key, 5);break;case R.id.img_6:i.putExtra(key, 6);break;case R.id.img_7:i.p

4、utExtra(key, 7);break;case R.id.img_8:i.putExtra(key, 8);break;case R.id.img_9:i.putExtra(key, 9);break;default:break;goBack();private void goBack() this.setResult(RESULT_OK, i);this.finish();Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) if (keyCode = KeyEvent.KEYCODE_BACK) /屏蔽androi

5、d手機中的back鍵return false;return super.onKeyDown(keyCode, event);2 src/ BackActivity.java類的代碼package com.zyk.getvaluesfromactivity;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.widget.TextView;public

6、 class BackActivity extends Activity Handler h;int secs=5;final int REQUEST_CODE=1;TextView tv;Overrideprotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);this.setContentView(R.layout.activity_back);tv=(TextView) this.findViewById(R.id.tv_show);h=new Handler()Overri

7、depublic void handleMessage(Message msg) this.obtainMessage();switch(msg.what)case 0:tv.setText("選圖剩余時間："+secs);if(secs=1)gotoMain();break;default:break;private void gotoMain() /隱式跳轉(zhuǎn)/在AndroidManifest.xml中進行了相關(guān)配置Intent i=new Intent();i.setAction("com.zyk.main");startActivityForRes

8、ult(i, REQUEST_CODE);Thread wt= new MyThread();wt.start();public class MyThread extends Thread Overridepublic void run() super.run();while(secs>=1)try Message m=new Message();m.obj=secs;m.what=0;h.sendMessage(m);Thread.sleep(1000);secs-; catch (InterruptedException e) e.printStackTrace();Override

9、protected void onActivityResult(int requestCode, int resultCode, Intent data) if(requestCode=REQUEST_CODE && resultCode=RESULT_OK)tv.setText("您剛才選擇了數(shù)字值為"+data.getIntExtra("num_key", 0)+"的圖片");super.onActivityResult(requestCode, resultCode, data);3 res/layout/act

10、ivity_main.xml的代碼清單<TableLayout xmlns:android=" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_gravity="center" android:background="#fff"> <TableRow android:id="+id/tableRow1" android:layout_width=

11、"match_parent" android:layout_height="wrap_content" > <ImageView android:id="+id/img_1" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:src="drawabl

12、e/one" /> <ImageView android:id="+id/img_2" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:src="drawable/two" /> <ImageView android:id="+id/img_3&

13、quot; android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:src="drawable/three" /> </TableRow> <TableRow android:id="+id/tableRow2" android:layout_width="mat

14、ch_parent" android:layout_height="wrap_content" > <ImageView android:id="+id/img_4" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:src="drawable/four&qu

15、ot; /> <ImageView android:id="+id/img_5" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:scaleType="centerCrop" android:src="drawable/five" /> <Ima

16、geView android:id="+id/img_6" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:src="drawable/six" /> </TableRow> <TableRow android:id="+id/tableRow3"

17、; android:layout_width="match_parent" android:layout_height="wrap_content" > <ImageView android:id="+id/img_7" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" an

18、droid:scaleType="centerCrop" android:src="drawable/seven" /> <ImageView android:id="+id/img_8" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:src="

19、drawable/eight" /> <ImageView android:id="+id/img_9" android:layout_width="0dp" android:layout_height="140dp" android:layout_weight="1" android:onClick="clickIMGs" android:scaleType="centerCrop" android:src="drawable/nine&qu

20、ot; /> </TableRow></TableLayout>4 res/layout/activity_back.xml的代碼清單<?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android=" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation=&quo

21、t;vertical" > <TextView android:id="+id/tv_show" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="" android:textAppearance="?android:attr/textAppearanceLarge" /></FrameLayout>5 AndroidManifest

22、.xml的配置清單<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android=" package="com.zyk.getvaluesfromactivity" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="18" /> <application android:allowBackup="true" android:icon="drawable/ic_launcher" android:label="string/app_name"