私は初心者で、retrica のようなアプリや他の同様のアプリを作成しようとしています。しかし、imageview.i から画像を保存するなどの問題に直面しています。フレーム、clip_arts、フィルターなどを実装するために layerdrawable を使用しています。エラーが発生しています。
08-12 22:01:55.812 9469-9469/com.zaibatsu.usman.camerashop D/My エラー :: java.lang.NullPointerException: 仮想メソッド 'void android.graphics.drawable.LayerDrawable.setBounds(int, null オブジェクト参照に対する int, int, int)'
実はlayerdrwableをビットマップ画像に変換しているので、編集した画像をデバイスのメモリに保存したい。これが私のコードです...
public class Display extends Activity {
static final int REQUEST_IMAGE_CAPTURE = 1;
ImageView CapturedImageView;
LayerDrawable layerDrawable;
Uri uri; String ImagePath;
Bitmap bitMapImage;
OutputStream outputStream;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.display);
Button CaptureButton= (Button)findViewById(R.id.btnCapture);
CapturedImageView = (ImageView)findViewById(R.id.CapturedImageView);
if (!hasCamera())
{
CaptureButton.setEnabled(false);
}
}
private boolean hasCamera()
{
return getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
}
public void onButtonClick(View view)
{
if (view.getId()== R.id.btnCapture)
{
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(intent, REQUEST_IMAGE_CAPTURE);
}
if (view.getId()==R.id.Frame1)
{
Drawable[] layers = new Drawable[2];
layers[0] = CapturedImageView.getDrawable();
layers[1] = getResources().getDrawable(R.drawable.f1);
LayerDrawable layerDrawable = new LayerDrawable(layers);
CapturedImageView.setImageDrawable(layerDrawable);
}
if (view.getId()==R.id.btnSave){
try {
BitmapDrawable bDrawable = (BitmapDrawable) getSingleDrawable(layerDrawable);
Toast.makeText(getApplicationContext(),"No E", Toast.LENGTH_LONG).show();
bitMapImage = bDrawable.getBitmap();
MediaStore.Images.Media.insertImage(getContentResolver(),bitMapImage,"title","Description");
}
catch (Exception e){
Toast.makeText(Display.this, "My Error : "+e, Toast.LENGTH_LONG).show();
Log.d("My Error : ", ""+e);
}
}
}
public Drawable getSingleDrawable(LayerDrawable layerDrawabl){
int resourceBitmapHeight = 136, resourceBitmapWidth = 153;
float widthInInches = 0.9f;
int widthInPixels = (int)(widthInInches * getResources().getDisplayMetrics().densityDpi);
int heightInPixels = (widthInPixels * resourceBitmapHeight / resourceBitmapWidth);
int insetLeft = 10, insetTop = 10, insetRight = 10, insetBottom = 10;
layerDrawable.setLayerInset(1, insetLeft, insetTop, insetRight, insetBottom);
Bitmap bitmap = Bitmap.createBitmap(widthInPixels, heightInPixels, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
layerDrawabl.setBounds(0, 0, widthInPixels, heightInPixels);
layerDrawabl.draw(canvas);
BitmapDrawable bitmapDrawable = new BitmapDrawable(getResources(), bitmap);
bitmapDrawable.setBounds(0, 0, widthInPixels, heightInPixels);
return bitmapDrawable;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode==REQUEST_IMAGE_CAPTURE && resultCode==RESULT_OK);
{
Bundle extras = data.getExtras();
Bitmap CapturePhoto = (Bitmap) extras.get("data");
CapturedImageView.setImageBitmap(CapturePhoto);
}
}
}