Android Activity as a dialog

Question

I have an Activity named whereActity which has child dialogs as well  Now  I want to display this activity as a dialog for another activity   How can I do that

User · Answer

If you need Appcompat Version  style xml       lt  -- Base application theme  -- gt       lt style name  AppDialogTheme  parent  Theme AppCompat Light Dialog  gt           lt  -- Customize your theme here  -- gt           lt item name  windowActionBar  gt false lt  item gt           lt item name  android windowNoTitle  gt true lt  item gt       lt  style gt    yourmanifest xml       lt activity           android name   MyActivity            android label   string title            android theme   style AppDialogTheme  gt       lt  activity gt

User · Answer

1 - You can use the same activity as both dialog and full screen  dynamically   Call setTheme android R style Theme Dialog  before calling setContentView      and super oncreate   in your Activity   2 - If you don t plan to change the activity theme style you can use    lt activity android theme   android style Theme Dialog    gt     as mentioned by  faisal khan

User · Answer

To start activity as dialog I defined it like this in AndroidManifest xml    lt activity android theme   android style Theme Dialog    gt    Use this property inside your activity tag to avoid that your Dialog appears in the recently used apps list   android excludeFromRecents  true    If you want to stop your dialog   activity from being destroyed when the user clicks outside of the dialog   After setContentView   in your Activity use   this setFinishOnTouchOutside false     Now when I call startActivity   it displays as a dialog  with the previous activity shown when the user presses the back button   Note that if you are using ActionBarActivity  or AppCompat theme   you ll need to use  style Theme AppCompat Dialog instead

User · Answer

Some times you can get the Exception which is given below  Caused by  java lang IllegalStateException  You need to use a Theme AppCompat theme  or descendant  with this activity   So for resolving you can use simple solution  add theme of you activity in manifest as dialog for appCompact   android theme   style Theme AppCompat Dialog    It can be helpful for somebody

User · Answer

Set the theme in your android manifest file    lt activity android name   LoginActivity              android theme   android style Theme Dialog   gt    And set the dialog state on touch to finish   this setFinishOnTouchOutside false

User · Answer

If you want to remove activity header  amp  provide a custom view for the dialog add the following to the activity block of you manifest  android theme   style Base Theme AppCompat Dialog    and design your activity layout with your desired view

User · Answer

Use this code so that the dialog activity won t be closed when the user touches outside the dialog box   this setFinishOnTouchOutside false     requires API level 11

User · Answer

Create activity as dialog   Here is Full Example     AndroidManife xml   lt activity android name   appview settings view DialogActivity  android excludeFromRecents  true  android theme   style Theme AppCompat Dialog   gt  DialogActivity kt  class DialogActivity   AppCompatActivity       override fun onCreate savedInstanceState  Bundle         super onCreate savedInstanceState      setContentView R layout activity dialog      this setFinishOnTouchOutside true       btnOk setOnClickListener         finish                activity dialog xml   lt LinearLayout xmlns android  http   schemas android com apk res android  xmlns app  http   schemas android com apk res-auto  android layout width  match parent  android layout height  wrap content  android background   0072ff  android gravity  center  android orientation  vertical  gt    lt LinearLayout     android layout width   dimen  300sdp      android layout height  wrap content      android gravity  center      android orientation  vertical  gt        lt TextView         android id    id txtTitle          style   style normal16Style          android layout width  match parent          android layout height  wrap content          android gravity  center          android paddingTop  20dp          android paddingBottom  20dp          android text  Download          android textColorHint   FFF    gt        lt View         android id    id viewDivider          android layout width  match parent          android layout height  2dp          android background   fff          android backgroundTint   color white 90          app layout constraintBottom toBottomOf   id txtTitle    gt        lt TextView         style   style normal14Style          android layout width  match parent          android layout height  wrap content          android gravity  center          android paddingTop  20dp          android paddingBottom  20dp          android text  Your file is download          android textColorHint   FFF    gt         lt Button         android id    id btnOk          style   style normal12Style          android layout width  100dp          android layout height  40dp          android layout marginBottom  20dp          android background   drawable circle corner layout          android text  Ok          android textAllCaps  false    gt       lt  LinearLayout gt      lt  LinearLayout gt

User · Answer

You can define this style in values styles xml to perform a more former Splash        lt style name  Theme UserDialog  parent  android style Theme Dialog  gt           lt item name  android windowFrame  gt  null lt  item gt           lt item name  android windowIsFloating  gt true lt  item gt           lt item name  android windowIsTranslucent  gt true lt  item gt           lt item name  android windowNoTitle  gt true lt  item gt           lt item name  android background  gt  android color transparent lt  item gt           lt item name  android windowBackground  gt  drawable trans lt  item gt       lt  style gt    And use it AndroidManifest xml       lt activity android name   SplashActivity            android configChanges  orientation            android screenOrientation  sensor            android theme   style Theme UserDialog  gt

User · Answer

If your activity is being rendered as a dialog  simply add a button to your activity s xml    lt Button     android id    id close button      android layout width  fill parent      android layout height  wrap content      android text  Dismiss    gt    Then attach a click listener in your Activity s Java code  In the listener  simply call finish    Button close button    Button  findViewById R id close button   close button setOnClickListener new OnClickListener          Override     public void onClick View v            finish                That should dismiss your dialog  returning you to the calling activity

[android] Android Activity as a dialog

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