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T3Activity.java

package t3.com;

import java.io.File;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.SystemClock;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

public class T3Activity extends Activity {
/** Called when the activity is first created. */

private File sdcardTempFile;
private int crop = 118;

private ImageView imageView;
private Button button1;
private Button button2;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
imageView = (ImageView) findViewById(R.id.imageView);

sdcardTempFile = new File("/mnt/sdcard/", "tmp_pic_" + SystemClock.currentThreadTimeMillis() + ".jpg");
//=========================================================================

button1 = (Button)findViewById(R.id.button1); //from local
button1.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent("android.intent.action.PICK");
intent.setDataAndType(MediaStore.Images.Media.INTERNAL_CONTENT_URI, "image/*");
intent.putExtra("output", Uri.fromFile(sdcardTempFile));
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 1);// 裁剪框比例
intent.putExtra("aspectY", 1);
intent.putExtra("outputX", crop);// 輸出圖片大小
intent.putExtra("outputY", crop);
startActivityForResult(intent, 100);

}
});


//===================================================

button2 = (Button)findViewById(R.id.button2); //from camera
button2.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
intent.putExtra("output", Uri.fromFile(sdcardTempFile));
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 1);// 裁剪框比例
intent.putExtra("aspectY", 1);
intent.putExtra("outputX", crop);// 輸出圖片大小
intent.putExtra("outputY", crop);
startActivityForResult(intent, 101);
}
});


}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (resultCode == RESULT_OK) {
Bitmap bmp = BitmapFactory.decodeFile(sdcardTempFile.getAbsolutePath());
imageView.setImageBitmap(bmp);
}
}

//\\
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>

<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="from local" />

<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="from camera" />

</LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="t3.com"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk android:minSdkVersion="8" />

<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".T3Activity"
android:theme="@android:style/Theme.Black.NoTitleBar"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera" />

<uses-feature android:name="android.hardware.camera.autofocus" />
</manifest>