方法一：
此方法会由Camera直接产生照片回传给应用程序，但是返回的是压缩图片，显示不清晰
|
1
2
3
4
5
6
|
try
{
Intent cameraIntent =
new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_WITH_DATA);
}
catch (ActivityNotFoundException e) {
e.printStackTrace();
}
|
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
Bundle bundle = data.getExtras();bmp_selectedPhoto = (Bitmap) bundle.get("data");
if
(bmp_selectedPhoto != null)
bmp_selectedPhoto.recycle();
bmp_selectedPhoto = (Bitmap) data.getExtras().get("data");
// int scale = ImageThumbnail.reckonThumbnail(bitMap.getWidth(),// bitMap.getHeight(), 500, 600);// bitMap = ImageThumbnail.PicZoom(bitMap,// (int) (bitMap.getWidth() / scale),// (int) (bitMap.getHeight() / scale));// bitMap = ThumbnailUtils.extractThumbnail(bitMap, 200, 200);if(bmp_selectedPhoto !=
null){
home_view.setBackground(new
BitmapDrawable(getResources(),
bmp_selectedPhoto));
} |
方法二：
此方法所拍即所得，但是会在Sd卡上产生临时文件
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
Intent cameraIntent =
new Intent(
android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
File appDir =
new File(Environment.getExternalStorageDirectory()
+
"/KengDieA");
if
(!appDir.exists()) {
appDir.mkdir();
}
mUri = Uri.fromFile(new
File(Environment.getExternalStorageDirectory()
+
"/KengDieA/",
"kengDiePic"
+ String.valueOf(System.currentTimeMillis()) +
".jpg"));
cameraIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, mUri);
try
{
cameraIntent.putExtra("return-data",
true);
startActivityForResult(cameraIntent, CAMERA_WITH_DATA);
}
catch (Exception e) {
e.printStackTrace();
}
|
|
1
2
3
4
5
6
7
8
9
10
11
12
|
ContentResolver cr =
this.getContentResolver();
try
{
if
(bmp_selectedPhoto != null)// 如果不释放的话，不断取图片，将会内存不够
bmp_selectedPhoto.recycle();
bmp_selectedPhoto = BitmapFactory.decodeStream(cr
.openInputStream(mUri));
}
catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
home_view.setBackground(new
BitmapDrawable(getResources(),
bmp_selectedPhoto));
|