Android 从SD卡读取图像时内存不足错误
我正在开发一个带有ImageView的简单应用程序,当单击ImageView时,应用程序应打开设备图像库。为了实现这一点,我使用以下代码Android 从SD卡读取图像时内存不足错误,android,Android,我正在开发一个带有ImageView的简单应用程序,当单击ImageView时,应用程序应打开设备图像库。为了实现这一点,我使用以下代码 Intent imageIntent=new Intent(Intent.ACTION_PICK); imageIntent.setType("image/*"); startActivityForResult(imageIntent,5); 活动结果呢 super.onActivityResult(requestCode, resu
Intent imageIntent=new Intent(Intent.ACTION_PICK);
imageIntent.setType("image/*");
startActivityForResult(imageIntent,5);
活动结果呢
super.onActivityResult(requestCode, resultCode, data);
if(requestCode == 5)
{
Cursor cursor;
Uri uri=data.getData();
if(uri!=null)
{
cursor=getContentResolver().query(uri, new String[]{ android.provider.MediaStore.Images.ImageColumns.DATA },
null, null, null);
cursor.moveToFirst();
String imageID=cursor.getString(0);
personImage.setImageURI(uri);
Log.i("ImageId", ""+imageID);
cursor.close();
}
}
选定的图像将显示在ImageView中。现在的问题是,当我第二次这样做时,我会得到以下异常
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): FATAL EXCEPTION: main
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): java.lang.OutOfMemoryError: bitmap size exceeds VM budget
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:468)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:332)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:697)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.graphics.drawable.Drawable.createFromStream(Drawable.java:657)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.widget.ImageView.resolveUri(ImageView.java:572)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.widget.ImageView.setImageURI(ImageView.java:293)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at com.css.testsample.ReadImage.onActivityResult(ReadImage.java:36)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.app.Activity.dispatchActivityResult(Activity.java:3931)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.app.ActivityThread.deliverResults(ActivityThread.java:3730)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3776)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.app.ActivityThread.access$2800(ActivityThread.java:135)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2166)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.os.Handler.dispatchMessage(Handler.java:99)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.os.Looper.loop(Looper.java:144)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at android.app.ActivityThread.main(ActivityThread.java:4937)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at java.lang.reflect.Method.invokeNative(Native Method)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at java.lang.reflect.Method.invoke(Method.java:521)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
12-01 19:31:52.344: ERROR/AndroidRuntime(2011): at dalvik.system.NativeStart.main(Native Method)
我不知道如何处理这个问题,如果有人知道,请帮助我
感谢和问候,
Rajapandian.K尝试对图像进行下采样,如图所示