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Change the colorPrimary value to Launch the app in emulator to see the changes. Now add the new colors that you want, example,. If you want to change the color theme, follow the below steps, You can see that if Button auto is to enable auto mode, button day is to enable day mode and night is to enable night mode in the application.When you create your first ever application or select a new project in Android Studio you must have seen that the default color theme of the Titlebar (Toolbar) is purple. Similarly, create two different drawable folders and place two images with same name inside both of these folders. If night mode is enabled, the application will use resources from values- night folder and if day mode is enabled, it will use from values folder.ĥ. Button public class MainActivity extends AppCompatActivity implements View. MainActivity and DayNightActivity will look like as below : Clicking on these buttons will Start DayNightActivity with different theme mode. Also, create one more Activity as DayNightActivity. Create one sample project on Android Studio with an Activity as MainActivity. Similarly for showing different text colors on different mode, we will use different values folder. If night mode is enabled in the application, image from drawable-night will be picked up. In this tutorial, we will use two different drawable folders with two different images having same name. This can be accomplished by using different drawable and different values folders. **Sometimes we need to use different resources for different mode. **Separate resources for night mode and day mode :
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