不同Activity之间的数据传递

1. <?xml version="1.0" encoding="utf-8"?>
2. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
3.       package="com.ray.test"
4.       android:versionCode="1"
5.       android:versionName="1.0">
6.     <application android:icon="@drawable/icon" android:label="@string/app_name">
7.         <activity android:name=".TestBundle"
8.                   android:label="@string/app_name">
9.             <intent-filter>
10.                 <action android:name="android.intent.action.MAIN" />
11.                 <category android:name="android.intent.category.LAUNCHER" />
12.             </intent-filter>
13.         </activity>
14.
15.         <activity android:name=".Target"></activity>
16.     </application>
17.     <uses-sdk android:minSdkVersion="3" />
18. </manifest>

1. package com.ray.test;
2.
3. import android.app.Activity;
4. import android.content.Intent;
5. import android.os.Bundle;
6. import android.view.MotionEvent;
7.
8. public class TestBundle extends Activity {
9.     public void onCreate(Bundle savedInstanceState) {
10.         super.onCreate(savedInstanceState);
11.         setContentView(R.layout.main);
12.     }
13.
14.     public boolean onTouchEvent(MotionEvent event) {
15.         Intent intent = new Intent();
16.         intent.setClass(TestBundle.this, Target.class);
17.         Bundle mBundle = new Bundle();
18.         mBundle.putString("Data", "ray'blog");//压入数据
19.         intent.putExtras(mBundle);
20.         startActivity(intent);
21.         finish();
22.         return super.onTouchEvent(event);
23.     }
24. }

1. package com.ray.test;
2.
3. import android.app.Activity;
4. import android.os.Bundle;
5.
6. public class Target extends Activity{
7.
8.     public void onCreate(Bundle savedInstanceState) {
9.         super.onCreate(savedInstanceState);
10.         setContentView(R.layout.main);
11.         Bundle bundle = getIntent().getExtras();
12.         String data=bundle.getString("Data");//读出数据
13.         setTitle(data);
14.     }
15. }