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POhow can solve : java.lang.ClassCastException: android.graphics.Bitmap cannot be cast to android.net.Uri
 

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    <p>when time to i share image on whats app facebook ect. its failed to file read and throw exeption Caused by: </p> <pre><code>java.lang.ClassCastException: android.graphics.Bitmap cannot be cast to android.net.Uri 11-23 12:32:02.835: E/AndroidRuntime(11662): at com.whatsapp.ContactPicker.d(ContactPicker.java:531) 11-23 12:32:02.835: E/AndroidRuntime(11662): at com.whatsapp.ContactPicker.onCreate(ContactPicker.java:306) 11-23 12:32:02.835: E/AndroidRuntime(11662): at android.app.Activity.performCreate(Activity.java:4479) 11-23 12:32:02.835: E/AndroidRuntime(11662): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1050) 11-23 12:32:02.835: E/AndroidRuntime(11662): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2041) </code></pre> <p>My activity: </p> <pre><code>public class FullImageActivity extends Activity { ImageView imageView; Button buttonsetwallpaper, share; String sp_items[] = new String[] { "Setwallpaper", "Share", "Exit" }; Spinner spinner; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.full_image); buttonsetwallpaper = (Button) findViewById(R.id.wallpaper); buttonsetwallpaper.getBackground().setColorFilter(0xFF00FF00, PorterDuff.Mode.MULTIPLY); share = (Button) findViewById(R.id.button2); // get intent data Intent i = getIntent(); final int position = i.getExtras().getInt("id"); final ImageAdapter imageAdapter = new ImageAdapter(this); imageView = (ImageView) findViewById(R.id.full_image_view); imageView.setImageResource(imageAdapter.mThumbIds[position]); share.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View arg0) { // Bitmap o = BitmapFactory.decodeFile("/sdcard/." + img_name); // Bitmap o = // BitmapFactory.decodeFile(Environment.getExternalStorageDirectory().getAbsolutePath()+"/wallpaperapp/"); Bitmap mBitmap = BitmapFactory.decodeResource(getResources(), imageAdapter.mThumbIds[position]); // Bitmap mBitmap = // BitmapFactory.decodeResource(getResources(),(int)i.getItemId(position)); try { Intent share = new Intent(Intent.ACTION_SEND); share.setType("image/png"); System.out.println("*********************" + mBitmap); share.putExtra( Intent.EXTRA_STREAM, scaleDownBitmap(mBitmap, 90, FullImageActivity.this)); startActivity(Intent.createChooser(share, "Share Image")); } catch (Exception e) { e.printStackTrace(); // Toast.makeText(FullImageActivity.this, // "Error setting wallpaper", Toast.LENGTH_SHORT).show(); } } }); buttonsetwallpaper.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View arg0) { // Bitmap o = BitmapFactory.decodeFile("/sdcard/." + img_name); // Bitmap o = // BitmapFactory.decodeFile(Environment.getExternalStorageDirectory().getAbsolutePath()+"/wallpaperapp/"); Bitmap mBitmap = BitmapFactory.decodeResource(getResources(), imageAdapter.mThumbIds[position]); // Bitmap mBitmap = // BitmapFactory.decodeResource(getResources(),(int)i.getItemId(position)); WallpaperManager myWallpaperManager = WallpaperManager .getInstance(getApplicationContext()); try { myWallpaperManager.setBitmap(mBitmap); Toast.makeText(FullImageActivity.this, "Wallpaper set", Toast.LENGTH_SHORT).show(); } catch (IOException e) { Toast.makeText(FullImageActivity.this, "Error setting wallpaper", Toast.LENGTH_SHORT) .show(); } } }); } Bitmap scaleDownBitmap(Bitmap photo, int newHeight, Context context) { final float densityMultiplier = context.getResources() .getDisplayMetrics().density; int h = (int) (newHeight * densityMultiplier); int w = (int) (h * photo.getWidth() / ((double) photo.getHeight())); photo = Bitmap.createScaledBitmap(photo, w, h, true); return photo; } </code></pre> <hr> <p>my image in layout folder with save into sdcard i want to share here i give my code plz help me. </p> <pre><code>public class ImageAdapter extends BaseAdapter { private Context mContext; ImageView imageView; // Keep all Images in array public Integer[] mThumbIds = { R.drawable.a1, R.drawable.a2, R.drawable.a3, R.drawable.a10, R.drawable.a11, R.drawable.a12, R.drawable.a13, R.drawable.a14, R.drawable.a15, R.drawable.a16, R.drawable.a17, R.drawable.a18, R.drawable.a19, R.drawable.a20, R.drawable.a21, R.drawable.a22, R.drawable.a23, R.drawable.a24, R.drawable.a25, R.drawable.a26, R.drawable.a27, R.drawable.a28, R.drawable.a30, R.drawable.a31, R.drawable.a32, R.drawable.a33, R.drawable.a34, R.drawable.a35, R.drawable.a36, R.drawable.a37, R.drawable.a38, R.drawable.a39, R.drawable.a4, R.drawable.a40, R.drawable.a41, R.drawable.a42, R.drawable.a43, R.drawable.a5, R.drawable.a6, R.drawable.a7, R.drawable.a8, R.drawable.a9, R.drawable.aa9 }; // Constructor public ImageAdapter(Context c) { mContext = c; } @Override public int getCount() { return mThumbIds.length; } @Override public Object getItem(int position) { return mThumbIds[position]; } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { ImageView imageView = new ImageView(mContext); if (convertView == null) { imageView = new ImageView(mContext); imageView.setLayoutParams(new GridView.LayoutParams(250, 300)); imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); imageView.setPadding(4, 4, 4, 4); } else { imageView = (ImageView) convertView; } imageView.setImageResource(mThumbIds[position]); return imageView; } </code></pre> <p>}</p>
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