我正在尝试在android中使用opencv。经过这么多困难,我终于设法在我的设备中运行它。但不幸的是它不起作用。当我试图捕捉图像时,我面临两个问题:- 1.相机是显示水平 90 度。2.当我点击“捕获”时,它正在崩溃。
这是我的代码:
/** Handles data for raw picture */
PictureCallback rawCallback = new PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
if (data != null) {
bmp = BitmapFactory.decodeByteArray(data, 0, data.length);
findViewById(R.id.img).setVisibility(View.VISIBLE);
((ImageView) findViewById(R.id.img)).setImageBitmap(bmp);
findViewById(R.id.preview).setVisibility(View.GONE);
if (pg != null)
pg.dismiss();
ok_button.setVisibility(View.VISIBLE);
click_button.setVisibility(View.GONE);
try_again_button.setVisibility(View.VISIBLE);
}
}
};
/** Handles data for jpeg picture */
PictureCallback jpegCallback = new PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
if (data != null) {
bmp = BitmapFactory.decodeByteArray(data, 0, data.length);
findViewById(R.id.img).setVisibility(View.VISIBLE);
((ImageView) findViewById(R.id.img)).setImageBitmap(bmp);
findViewById(R.id.preview).setVisibility(View.GONE);
if (pg != null)
pg.dismiss();
ok_button.setVisibility(View.VISIBLE);
click_button.setVisibility(View.GONE);
try_again_button.setVisibility(View.VISIBLE);
}
}
};
logcat 中的错误:
07-02 15:31:51.875: E/AndroidRuntime(30198): FATAL EXCEPTION: main
07-02 15:31:51.875: E/AndroidRuntime(30198): java.lang.OutOfMemoryError
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.graphics.BitmapFactory.nativeDecodeByteArray(Native Method)
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:430)
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:447)
07-02 15:31:51.875: E/AndroidRuntime(30198): at org.opencv.face.Sample3Native$4.onPictureTaken(Sample3Native.java:209)
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.hardware.Camera$EventHandler.handleMessage(Camera.java:687)
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.os.Handler.dispatchMessage(Handler.java:99)
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.os.Looper.loop(Looper.java:137)
07-02 15:31:51.875: E/AndroidRuntime(30198): at android.app.ActivityThread.main(ActivityThread.java:4441)
07-02 15:31:51.875: E/AndroidRuntime(30198): at java.lang.reflect.Method.invokeNative(Native Method)
07-02 15:31:51.875: E/AndroidRuntime(30198): at java.lang.reflect.Method.invoke(Method.java:511)
07-02 15:31:51.875: E/AndroidRuntime(30198): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:823)
07-02 15:31:51.875: E/AndroidRuntime(30198): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:590)
07-02 15:31:51.875: E/AndroidRuntime(30198): at dalvik.system.NativeStart.main(Native Method)