android调用系统拍照功能并且剪辑出现问题
情况是这样的：第一次调用拍照功能，弹出剪辑照片。功能正常。第二次，第三次...调用拍照功能，弹出剪辑照片，出来的照片一直都是第一次拍的照片。
试过几台机子，有的机子正常，有的机子会出现该神奇的问题、理论上第一次拍的照片会被后面拍的照片覆盖掉。地址为sd卡的temp.jgp文件。
请高手来解答问题啊~~~~~
public class TestActivity extends Activity {
public static final int NONE = 0;
public static final int PHOTOHRAPH = 1;// 拍照
public static final int PHOTOZOOM = 2; // 缩放
public static final int PHOTORESOULT = 3;// 结果
public static final String IMAGE_UNSPECIFIED = "image/*";
ImageView imageView = null;
Button button0 = null;
Button button1 = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
imageView = (ImageView) findViewById(R.id.imageID);
button0 = (Button) findViewById(R.id.btn_01);//相册按钮
button1 = (Button) findViewById(R.id.btn_02);//拍照按钮
button0.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//调用系统的相册
Intent intent = new Intent(Intent.ACTION_PICK, null);
intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);
//调用剪切功能
startActivityForResult(intent, PHOTOZOOM);
}
});
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//调用系统的拍照功能
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg")));
startActivityForResult(intent, PHOTOHRAPH);
}
});
}
//调用startActivityResult，返回之后的回调函数
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == NONE)
return;
// 拍照
if (requestCode == PHOTOHRAPH) {
//设置文件保存路径这里放在跟目录下
File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg");
startPhotoZoom(Uri.fromFile(picture));
}
if (data == null)
return;
// 读取相册缩放图片
if (requestCode == PHOTOZOOM) {
startPhotoZoom(data.getData());
}
// 处理结果
if (requestCode == PHOTORESOULT) {
Bundle extras = data.getExtras();
if (extras != null) {
Bitmap photo = extras.getParcelable("data");
ByteArrayOutputStream stream = new ByteArrayOutputStream();
photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)压缩文件
imageView.setImageBitmap(photo);
}
}
super.onActivityResult(requestCode, resultCode, data);
}
public void startPhotoZoom(Uri uri) {
Intent intent = new Intent("com.android.camera.action.CROP");
intent.setDataAndType(uri, IMAGE_UNSPECIFIED);
intent.putExtra("crop", "true");
// aspectX aspectY 是宽高的比例
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
// outputX outputY 是裁剪图片宽高
intent.putExtra("outputX", 64);
intent.putExtra("outputY", 64);
intent.putExtra("return-data", true);
startActivityForResult(intent, PHOTORESOULT);
}
}<?xml version="1.0" encoding="utf-8"?>--------------------编程问答-------------------- 你用的这个方法不好使，试试我这个方法。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
<ImageView android:id="@+id/imageID"
android:adjustViewBounds="true" android:maxWidth="50dip"
android:maxHeight="50dip" android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<Button android:id="@+id/btn_01" android:layout_height="50dip"
android:text="相册" android:layout_width="150dip"/>
<Button android:id="@+id/btn_02" android:layout_height="50dip"
android:text="拍照" android:layout_width="150dip"/>
</LinearLayout>
private void openCamera()
{
//startActivity(new Intent(this , camera.class));
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 33);
intent.putExtra("aspectY", 33);
intent.putExtra("outputX", 500);
intent.putExtra("outputY", 500);
intent.putExtra("return-data", true);
startActivityForResult(intent, 2);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
// TODO Auto-generated method stub
try
{
Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");
}
catch (Exception e)
{
// TODO: handle exception
e.printStackTrace();
}
super.onActivityResult(requestCode, resultCode, data);
} --------------------编程问答-------------------- 一样啊哥们。我用你的代码试了，还是出现问题、 --------------------编程问答-------------------- 我怀疑是手机android版本问题、。 --------------------编程问答-------------------- 啊啊~~~~~~高手快来救我啊~帮忙啊~ --------------------编程问答-------------------- 加上这两句话
intent.putExtra("scale", true);
intent.putExtra("scaleUpIfNeeded", true);
补充：移动开发 , Android
