andriod 图片选择器

<?xml version="1.0" encoding="utf-8"?>  
<manifest xmlns:android="http://schemas.android.com/apk/res/android"  
    package="com.genwoxue.pictureviewer"  
    android:versionCode="1"  
    android:versionName="1.0" >  
  
    <uses-sdk  
        android:minSdkVersion="10"  
        android:targetSdkVersion="15" />  
  
    <application  
        android:allowBackup="true"  
        android:icon="@drawable/ic_launcher"  
        android:label="@string/app_name"  
        android:theme="@style/AppTheme" >  
        <activity  
            android:name="com.genwoxue.pictureviewer.MainActivity"  
            android:label="@string/app_name" >  
            <intent-filter>  
                <action android:name="android.intent.action.GET_CONTENT" />  
                <category android:name="android.intent.category.DEFAULT" />  
                <category android:name="android.intent.category.OPENABLE" />  
                <data android:mimeType="image/jpeg" />  
            </intent-filter>  
              
        </activity>  
    </application>  
  
</manifest>  

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

mport android.os.Bundle;  import android.app.Activity;  import android.content.Intent;  import android.view.View;  import android.view.View.OnClickListener;  import android.widget.Button;      public class MainActivity extends Activity {          private Button btnChoose=null;      @Override       public void onCreate(Bundle savedInstanceState)         {             super.onCreate(savedInstanceState);                        setContentView(R.layout.activity_main);          btnChoose=(Button)super.findViewById(R.id.choose);          btnChoose.setOnClickListener(new OnClickListener(){              public void onClick(View v)              {                     //系统会把所有查看Image类型的应用显示在列表中                  Intent intent=new Intent();                  intent.setAction(Intent.ACTION_GET_CONTENT);                  intent.setType("image/*");                  MainActivity.this.startActivity(intent.createChooser(intent, "选择图片查看APP"));              }          });      }  }