Android 调用系统的照相，浏览图片，转存并裁剪！
public class AddCardActivity extends Activity {
private ?Button add;
private ?Button take_p;
private Button app_ol;
private File sdCard;
private File sdPhoto;
?? private AlphaAnimation anim_alpha;?
?? ? private int menu = -1;
?? ? private final int LOCAL = 0;
?? ? private final int TAKE = 1;
?? ? private final int APP = 2;
?? ?
?? ? public void onCreate(Bundle savedInstanceState) {
?? ? ? ?super.onCreate(savedInstanceState);
?? ? ? //全屏显示
?? ? ? ? ? ?ActivityUtil.noNotificationBar(this);
?? ? ? ? ? ?ActivityUtil.noTitleBar(this);
?? ?setContentView(R.layout.addcard);
?? ? ? ? //转存出的路径
?? ? ? ? ? ?sdPhoto = new File("/sdcard/card_xx/photo_xx");
?? ? ? ? if(!sdPhoto.exists()){
?? ? ? ? sdPhoto.mkdirs();
?? ? ? ?}
//转存出的文件
?? ? ? ?sdCard = new File("/sdcard/card_xx/aa.png");
?? ? ? ?
?? ? ? ?add = (Button)findViewById(R.id.add);
?? ? ? ?take_p = (Button)findViewById(R.id.take_p);
?? ? ? ?app_ol = (Button)findViewById(R.id.app_ol);
?? ? ? ?
?? ? ? ?/* 事件处理 */
?? ? ? ?setListener();
?? ? ? ?
?? ? ? ?anim_alpha = new AlphaAnimation(0.5f, 0.5f);
anim_alpha.setDuration(80);
anim_alpha.setRepeatCount(1);
anim_alpha.setAnimationListener(new AnimationListener() {
public void onAnimationStart(Animation animation) {
}
public void onAnimationRepeat(Animation animation) {
}
public void onAnimationEnd(Animation animation) {
switch (menu) {
case LOCAL:
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);?
intent.setType("image/*");
startActivityForResult(intent, 1);
break;
case TAKE:
? ?intent=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
? ?File out = new File(Environment.getExternalStorageDirectory(),"camera.png");
? ?Uri uri = Uri.fromFile(out);
? ?intent.putExtra(MediaStore.EXTRA_OUTPUT,uri);
? ?startActivityForResult(intent, 3);?
break;
case APP:
intent = new Intent();
intent.setClass(AddCardActivity.this, TemplateListActivity.class);
startActivityForResult(intent, 9);
break;
}
}
});
?? ?}
?? ?
?? ?private void setListener()
?? ?{
?? ? /* 本地导入按钮事件处理 */
?? ? ? ?add.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
menu = LOCAL;
add.setAnimation(anim_alpha);
?? ? ? ? anim_alpha.startNow();
?? ? ? ? add.invalidate();
}
});
?? ? ? ?
?? ? ? ?/* 拍照 按钮事件处理 */
?? ? ? ?take_p.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
menu = TAKE;
take_p.setAnimation(anim_alpha);
?? ? ? ? anim_alpha.startNow();
?? ? ? ? take_p.invalidate();
}?
});
?? ? ? ?
?? ? ? ?/* 在线申请事件处理 */
?? ? ? ?app_ol.setOnClickListener(new OnClickListener()
?? ? ? ?{
?? ? ? ? public void onClick(View v)
?? ? ? ? {
?? ? ? ? menu = APP;
?? ? ? ? app_ol.setAnimation(anim_alpha);
?? ? ? ? anim_alpha.startNow();
?? ? ? ? app_ol.invalidate();
?? ? ? ? }
?? ? ? ?}
?? ? ? ?);
?? ? ? ?
?? ?}
?? ? ? ?/* 返回值处理 */
? ? protected void onActivityResult(int requestCode, int resultCode, Intent data) {
? ? if (resultCode == RESULT_OK){
? ? switch (requestCode) {
? ? /* 裁剪功能 ,裁剪后跳到2保存*/
case 1:
Intent cj = new Intent("com.android.camera.action.CROP");
cj.setData( data.getData());
cj.putExtra("crop", "true");
cj.putExtra("aspectX", 3); ?
cj.putExtra("aspectY", 2); ??
cj.putExtra("outputX",384 );
cj.putExtra("outputY", 256);
cj.putExtra("noFaceDetection", true); ?
cj.putExtra("return-data", true);?
startActivityForResult(Intent.createChooser(cj, "裁剪") , 2);
break;
/* 保存并跳转 */
case 2:
Intent intent = new Intent();
Bundle extras = data.getExtras();
if(extras != null ) { ?
? ?Bitmap photo = extras.getParcelable("data"); ?
? ?try {
FileOutputStream outStreamz = new FileOutputStream(sdCard);
photo.compress(Bitmap.CompressFormat.PNG, 50, outStreamz);
outStreamz.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
? ?intent.setClass(AddCardActivity.this,ChooseABActivity.class);
startActivity(intent);
finish();
}
break;
/* 拍照后保存图片，并跳到裁剪功能 ?*/
case 3:
Intent cj1 = new Intent("com.android.camera.action.CROP");
try {
cj1.setData(Uri.parse(android.provider.MediaStore.Images.Media.
insertImage(getContentResolver(),"/sdcard/camera.png", null, null)));
} catch (FileNotFoundException e) {
e.printStackTrace();
} ? ? ? ? ? ? ? ?
cj1.putExtra("crop", "true");
cj1.putExtra("aspectX", 3); ?
cj1.putExtra("aspectY", 2); ??
cj1.putExtra("outputX",384 );
cj1.putExtra("outputY", 256);
cj1.putExtra("return-data", true);?
startActivityForResult(cj1, 2);
File camera = new File("/sdcard/camera.png");
if(camera.exists())
?camera.delete();
break;
}
? ? }
? ? ?
? ? if (requestCode == 9) {
? ? Intent i=new Intent(this,MainMenuActivity.class);
? ? startActivity(i);
? ? finish();
? ? }
? ?}
? ??
? ? @Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
? ? ?
? ? if(keyCode==KeyEvent.KEYCODE_BACK)
? ? {
? ? Intent i=new Intent(this,MainMenuActivity.class);
? ? startActivity(i);
? ? finish();
? ? }
return super.onKeyDown(keyCode, event);
}?
? ??
}
/**************************************************************************************************************************************************/
如果照相之后要添加裁剪：
?class TakePicture implements OnClickListener{
??public void onClick(View v) {
???takePic();?
???File picture = new File("/sdcard/picture.jpg");
???Intent intent = new Intent("com.android.camera.action.CROP");?????
/**************如果不加这句话，会报错，找不到裁剪的Activity******/
?intent.setDataAndType( Uri.fromFile(file)，"image/*);
/********************************************************************************/
???intent.putExtra("crop", "true");
???intent.putExtra("aspectX", 3);?
???intent.putExtra("aspectY", 2);??
???intent.putExtra("outputX",384 );
???intent.putExtra("outputY", 256);?
???intent.putExtra("return-data", true);
???startActivityForResult(intent, OVER);
???finish();
??}
??}
/***********************************************************************************************************************************************/
1 楼 yyj007 2011-09-18 您能给我提供一下这个例子的源代码吗？我的邮箱是yyj.tom@gmail.com