public void popInstructionsDialog(String title, String text, String buttonText, Activity activity){ AlertDialog.Builder builder; AlertDialog alertDialog; Context mContext = activity.getApplicationContext(); LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); View layout = inflater.inflate(R.layout.instructions, (ViewGroup) activity.findViewById(R.id.layout_root)); TextView text1 = (TextView) layout.findViewById(R.id.text); text1.setText("Hello, this is a custom dialog!"); ImageView image = (ImageView) layout.findViewById(R.id.image); image.setImageResource(R.drawable.icon); builder = new AlertDialog.Builder(mContext); builder.setView(layout); alertDialog = builder.create(); alertDialog.show(); } I get the following error
06-01 10:59:20.908: ERROR/AndroidRuntime(664): FATAL EXCEPTION: main 06-01 10:59:20.908: ERROR/AndroidRuntime(664): android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application 06-01 10:59:20.908: ERROR/AndroidRuntime(664): at android.view.ViewRoot.setView(ViewRoot.java:531) 06-01 10:59:20.908: ERROR/AndroidRuntime(664): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177) 06-01 10:59:20.908: ERROR/AndroidRuntime(664): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) 06-01 10:59:20.908: ERROR/AndroidRuntime(664): at android.app.Dialog.show(Dialog.java:241) 06-01 10:59:20.908: ERROR/AndroidRuntime(664): at hiit.nopsa.pirate.InstructionDialog.popInstructionsDialog(InstructionDialog.java:34) InstructionDialog.java:34 is the last line of code which is "alertDialog.show()". Can any one suggest me how to correct this. And following is the instructions.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layout_root" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dp" > <TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="fill_parent" android:textColor="#FFF" /> <ImageView android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="10dp" /> <TextView android:id="@+id/text" android:layout_width="wrap_content" android:layout_height="fill_parent" android:textColor="#FFF" /> </LinearLayout> 
