androidTag questions

• Android :NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference
• Android:SocketTimeoutException: failed to connect to /103.24.4.60 (port 80) after 30000ms
• java.lang.SecurityException: Permission Denial: reading com.android.providers.media.MediaProvider in Android while taking picture from gallery
• Android:java.lang.OutOfMemoryError: Failed to allocate a 23970828 byte allocation with 2097152 free bytes and 2MB until OOM

androidTag answers