最近通过Intent调用系统相机拍照后,发现返回的照片像素变小,照片质量也变低,上网搜索后问题得到解决,感谢那位高人。
代码如下:
1.调用系统相机进行拍照
String SD_CARD_TEMP_DIR="/mnt/sdcard/"+"tem.jpg";
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT,Uri.fromFile(new File(SD_CARD_TEMP_DIR)));
startActivityForResult(intent,10);//requestCode:10,任意(If >= 0, this code will be returned in onActivityResult() when the activity exits.)
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
String sdStatus = Environment.getExternalStorageState();
if(!sdStatus.equals(Environment.MEDIA_MOUNTED))
{
return;
}
ContentResolver resolver = getContentResolver();
try {
File f = new File(SD_CARD_TEMP_DIR);
try {
Uri capturedImage = Uri.parse(android.provider.MediaStore.Images.Media.insertImage(
getContentResolver(), f.getAbsolutePath(), null, null));
// 将图片内容解析成字节数组
mContent = readStream(resolver.openInputStream(Uri.parse(capturedImage.toString())));
// 将字节数组转换为ImageView可调用的Bitmap对象
bitmap = getPicFromBytes(mContent, null);
//把得到的图片绑定在控件上显示
((ImageView)findViewById(R.id.camera_dispaly)).setImageBitmap(bitmap);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
} catch (Exception e) {
}
}
3.OK