Show spinner in AlertDialog
12,469
Solution 1
You need to use alertDialog.show()
to show the dialog.Also you might get error because of mContext
you use there.
Often that doesn't help in dialog.Instead,try using ActivityName.this
as mContext
.
Solution 2
alertDialog.show()
inorder to view the dialog.
Related videos on Youtube
Comments
-
Mico over 1 year
I want to show a spinner in my alertDialog. I have the following code but it just give me a black screen. Logcat doesn't say any errors.
MyActivity.java
AlertDialog.Builder builder; AlertDialog alertDialog; Context mContext = getApplicationContext(); LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER_SERVICE); View layout = inflater.inflate(R.layout.spinner,null); String array_spinner[]; array_spinner=new String[5]; array_spinner[0]="US"; array_spinner[1]="Japan"; array_spinner[2]="China"; array_spinner[3]="India"; array_spinner[4]="Vietnam"; Spinner s = (Spinner) layout.findViewById(R.id.Spinner01); ArrayAdapter adapter = new ArrayAdapter(this,android.R.layout.simple_spinner_item, array_spinner); s.setAdapter(adapter); builder = new AlertDialog.Builder(mContext); builder.setView(layout); alertDialog = builder.create();
Main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> </LinearLayout>
Spinner.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <Spinner android:id="@+id/Spinner01" android:layout_width="match_parent" android:layout_height="wrap_content" /> </LinearLayout>
I'm really new here, thanks a lot for any help! :)
edit: when I added alertDialog.show(); it force closes, logcat says:
11-18 18:14:09.886: D/AndroidRuntime(21856): Shutting down VM 11-18 18:14:09.886: W/dalvikvm(21856): threadid=1: thread exiting with uncaught exception (group=0x401b8888) 11-18 18:14:09.909: E/AndroidRuntime(21856): FATAL EXCEPTION: main 11-18 18:14:09.909: E/AndroidRuntime(21856): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.SpinnerExample/com.example.SpinnerExample.SpinnerExampleActivity}: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2668) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2684) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.ActivityThread.access$2300(ActivityThread.java:126) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2038) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.os.Handler.dispatchMessage(Handler.java:99) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.os.Looper.loop(Looper.java:123) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.ActivityThread.main(ActivityThread.java:4632) 11-18 18:14:09.909: E/AndroidRuntime(21856): at java.lang.reflect.Method.invokeNative(Native Method) 11-18 18:14:09.909: E/AndroidRuntime(21856): at java.lang.reflect.Method.invoke(Method.java:521) 11-18 18:14:09.909: E/AndroidRuntime(21856): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871) 11-18 18:14:09.909: E/AndroidRuntime(21856): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629) 11-18 18:14:09.909: E/AndroidRuntime(21856): at dalvik.system.NativeStart.main(Native Method) 11-18 18:14:09.909: E/AndroidRuntime(21856): Caused by: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.view.ViewRoot.setView(ViewRoot.java:509) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:207) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:121) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.Dialog.show(Dialog.java:259) 11-18 18:14:09.909: E/AndroidRuntime(21856): at com.example.SpinnerExample.SpinnerExampleActivity.onCreate(SpinnerExampleActivity.java:45) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 11-18 18:14:09.909: E/AndroidRuntime(21856): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2632) 11-18 18:14:09.909: E/AndroidRuntime(21856): ... 11 more
-
Mico almost 12 yearsthanks for your response, but it force closes, i updated my post for the logcat.
-
Mico almost 12 yearsthanks for that extra info @Hiral and for your response, it force closes, i updated my post for the logcat.
-
Hiral Vadodaria almost 12 yearsyour logcat is unreadable.please copy the error lines and simply paste it in your question.
-
Hiral Vadodaria almost 12 yearsAnd what did you get when you just added alert.show() and not changed mContext to ActivityName.this?
-
Mico almost 12 yearsYo @Hiral! thanks a lot, changing it to Context mContext = SpinnerExampleActivity.this; worked for me! :)