andriod 圖片選取器，

andriod 圖片選取器，

<?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>  

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)              {                     //系統會把所有查看Image類型的應用顯示在列表中                  Intent intent=new Intent();                  intent.setAction(Intent.ACTION_GET_CONTENT);                  intent.setType("image/*");                  MainActivity.this.startActivity(intent.createChooser(intent, "選擇圖片查看APP"));              }          });      }  }