изменение размера Bitmap
Добавлено: 17 окт 2013, 11:11
Всем привет не могу понять в чем проблема написал вот такой метод
[syntax=java]
private void getBitmap() {
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
Bitmap bitmap = BitmapFactory.decodeFile(fileDir, bmOptions);
int photoW = bmOptions.outWidth/2;
int photoH = bmOptions.outHeight/2;
Log.d("tag", " W " + photoW + " H " + photoH);
Bitmap newBitmap = Bitmap.createScaledBitmap(bitmap, photoW, photoH, false);
//return newBitmap;
}
[/syntax]
выскакивает громадная ошибка
10-17 08:03:25.395: E/AndroidRuntime(22140): FATAL EXCEPTION: main
10-17 08:03:25.395: E/AndroidRuntime(22140): java.lang.NullPointerException
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.graphics.Bitmap.createScaledBitmap(Bitmap.java:335)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.example.testbitmap.MainActivity.getBitmap(MainActivity.java:49)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.example.testbitmap.MainActivity.access$0(MainActivity.java:42)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.example.testbitmap.MainActivity$1.onClick(MainActivity.java:35)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.view.View.performClick(View.java:2408)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.view.View$PerformClick.run(View.java:8816)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.os.Handler.handleCallback(Handler.java:587)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.os.Handler.dispatchMessage(Handler.java:92)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.os.Looper.loop(Looper.java:123)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.app.ActivityThread.main(ActivityThread.java:4627)
10-17 08:03:25.395: E/AndroidRuntime(22140): at java.lang.reflect.Method.invokeNative(Native Method)
10-17 08:03:25.395: E/AndroidRuntime(22140): at java.lang.reflect.Method.invoke(Method.java:521)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
10-17 08:03:25.395: E/AndroidRuntime(22140): at dalvik.system.NativeStart.main(Native Method)

[syntax=java]
private void getBitmap() {
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
Bitmap bitmap = BitmapFactory.decodeFile(fileDir, bmOptions);
int photoW = bmOptions.outWidth/2;
int photoH = bmOptions.outHeight/2;
Log.d("tag", " W " + photoW + " H " + photoH);
Bitmap newBitmap = Bitmap.createScaledBitmap(bitmap, photoW, photoH, false);
//return newBitmap;
}
[/syntax]
выскакивает громадная ошибка
10-17 08:03:25.395: E/AndroidRuntime(22140): FATAL EXCEPTION: main
10-17 08:03:25.395: E/AndroidRuntime(22140): java.lang.NullPointerException
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.graphics.Bitmap.createScaledBitmap(Bitmap.java:335)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.example.testbitmap.MainActivity.getBitmap(MainActivity.java:49)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.example.testbitmap.MainActivity.access$0(MainActivity.java:42)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.example.testbitmap.MainActivity$1.onClick(MainActivity.java:35)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.view.View.performClick(View.java:2408)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.view.View$PerformClick.run(View.java:8816)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.os.Handler.handleCallback(Handler.java:587)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.os.Handler.dispatchMessage(Handler.java:92)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.os.Looper.loop(Looper.java:123)
10-17 08:03:25.395: E/AndroidRuntime(22140): at android.app.ActivityThread.main(ActivityThread.java:4627)
10-17 08:03:25.395: E/AndroidRuntime(22140): at java.lang.reflect.Method.invokeNative(Native Method)
10-17 08:03:25.395: E/AndroidRuntime(22140): at java.lang.reflect.Method.invoke(Method.java:521)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
10-17 08:03:25.395: E/AndroidRuntime(22140): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
10-17 08:03:25.395: E/AndroidRuntime(22140): at dalvik.system.NativeStart.main(Native Method)