Rename Android project package issue in Eclipse - R cannot be resolved to a variable
AD MOB
Issue: After after renaming package this problem occurred "R cannot be resolved to a variable".
Solution: Try Clean your project Project » Clean » Clean projects selected below » select your project and click OK.
Try to delete the invalid code and type it again:
Solution: Try Clean your project Project » Clean » Clean projects selected below » select your project and click OK.
Try to delete the invalid code and type it again:
LinearLayout layout = (LinearLayout) findViewById(R.id.layout); // delete R.id.layout
LinearLayout layout = (LinearLayout) findViewById();
LinearLayout layout = (LinearLayout) findViewById(R.id.layout); // re-write this code R.id.layout
397LW NO topic_id
AD
Další témata ....(Topics)
Error for example:
webcoreglue(2075): The real object has been deleted
Solution:
If this error message shows if orientation the screen is changed
try insert into AndroidManifest.xml this code:
android:configChanges="keyboard|keyboardHidden|orientation"
webcoreglue(2075): The real object has been deleted
Solution:
If this error message shows if orientation the screen is changed
try insert into AndroidManifest.xml this code:
android:configChanges="keyboard|keyboardHidden|orientation"
<activity
android:label="@string/app_name"
android:name=".MyActivity"
android:screenOrientation="portrait"
android:configChanges="keyboard|keyboardHidden|orientation"
>
PNG, GIF, BMP, JPG
// //www.apache.org/licenses/LICENSE-2.0
// 1.) Bitmap from stream
InputStream is = context.getResources().openRawResource(R.drawable.my_image);
mBitmap = BitmapFactory.decodeStream(is);
// 2.)
Bitmap ball = BitmapFactory.decodeResource(getResources(), R.drawable.ball);
int dstWidth =120;
int dstHeight = 120;
mBitmap = Bitmap.createScaledBitmap(ball, dstWidth, dstHeight, true);
// 3.)
Bitmap mBitmap = Bitmap.createBitmap(320, 480, Bitmap.Config.ARGB_8888);
Bitmap mBitmap;
Canvas mCanvas;
Paint mBitmapPaint;
mBitmap = Bitmap.createBitmap(320, 480, Bitmap.Config.ARGB_8888);
mCanvas = new Canvas(mBitmap);
mBitmapPaint = new Paint(Paint.DITHER_FLAG);
// 4.)
Bitmap mBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
Canvas mCanvas.setBitmap(mBitmap);
mCanvas.drawColor(0xFFFFFFFF);
// single line
/*
multi line
*/
RectF, drawRoundRect(),
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new SampleView(this));
}
private static class SampleView extends View {
// CONSTRUCTOR
public SampleView(Context context) {
super(context);
setFocusable(true);
}
@Override
protected void onDraw(Canvas canvas) {
Paint paint = new Paint();
canvas.drawColor(Color.GREEN);
Bitmap b = Bitmap.createBitmap(200, 200, Bitmap.Config.ALPHA_8);
Canvas c = new Canvas(b);
RectF rectF = new RectF();
rectF.set(5,5,150,150);
c.drawRoundRect(rectF, 10, 10, paint);
paint.setColor(Color.RED);
canvas.drawBitmap(b, 10,10, paint);
}
}
}
Context context = getApplicationContext();
String DB_PATH = "/data/data/"
+ context.getPackageName()
+ "/databases/";
Editace: 2014-02-15 20:45:39
Počet článků v kategorii: 397
Url:rename-android-project-package-issue-in-eclipse
AD
