Implementation of full-screen immersive transparent status bar effect for Android Studio

How to achieve it? 1.) First realize full screen

The first type: inherit the topic specific topic

On Android API 19 or above, you can use the topics related to ****.TranslucentDecor***, which comes with corresponding translucent effects, and the two themes are newly added, so you need to create a new values-v19 folder and create a styles file and add the following code

<style name="AppBaseTheme" parent="android:">
  <!-- Customize your theme here. -->
</style>

The second type: the way to use code in activity

Android 4.4 or above can add the following code

if (.SDK_INT &gt;= Build.VERSION_CODES.KITKAT) {
//Transparent status bar(.FLAG_TRANSLUCENT_STATUS);
//Transparent navigation bar(.FLAG_TRANSLUCENT_NAVIGATION);
}

Android 5.0 or above can also use the following code to achieve full screen

if (.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
(.FLAG_TRANSLUCENT_STATUS
 | .FLAG_TRANSLUCENT_NAVIGATION);
().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
 | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
(.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
}

2.) Solve the status bar placeholding problem

First: Add the following settings to the theme

<item name="android:fitsSystemWindows">true</item>

The second type: add the following code in the root directory of activity layout

android:fitsSystemWindows="true"

The third type: Setting through Java code

(true);

3.) Status bar navigation bar set background color

For 4.4 or above, you can use modify the background color of the contentView, or dynamically add a view to the contentView.

if (.SDK_INT &gt;= Build.VERSION_CODES.KITKAT) {
//Transparent status bar(.FLAG_TRANSLUCENT_STATUS);
//Transparent navigation bar(.FLAG_TRANSLUCENT_NAVIGATION);
//Set contentview to fitsSystemWindowsViewGroup contentView = (ViewGroup) findViewById();
View childAt = (0);
if (childAt != null) {
(true);
}
//Color statusbarView view = new View(this);
(new (.MATCH_PARENT, getStatusBarHeight(this)));
(color);
(view);
}

Dynamically obtain the StatusBarHeight function as follows

/**
   * Get the status bar height
   *
   * @param context context
   * @return Status bar height
   */
 private static int getStatusBarHeight(Context context) {
  // Get the status bar height  int resourceId = ().getIdentifier("status_bar_height", "dimen", "android");
  return ().getDimensionPixelSize(resourceId);
 }

Dynamically obtain the NavigationBarHeight function as follows

/**
   * Get navigation bar height
   *
   * @param context context
   * @return Navigation bar height
   */
 public static int getNavigationBarHeight(Context context) {
  int resourceId = ().getIdentifier("navigation_bar_height", "dimen", "android");
  return ().getDimensionPixelSize(resourceId);
 }

4.) Post the overall Java code implementation method

private void initWindows() {
  Window window = getWindow();
  int color = getResources().getColor();
  if (.SDK_INT &gt;= Build.VERSION_CODES.LOLLIPOP) {
   (.FLAG_TRANSLUCENT_STATUS
     | .FLAG_TRANSLUCENT_NAVIGATION);
   ().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
     | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
     | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
   (.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
   //Set the status bar color   (color);
   //Set the navigation bar color   (getResources().getColor());
   ViewGroup contentView = ((ViewGroup) findViewById());
   View childAt = (0);
   if (childAt != null) {
    (true);
   }
  } else if (.SDK_INT &gt;= Build.VERSION_CODES.KITKAT) {
   //Transparent status bar   (.FLAG_TRANSLUCENT_STATUS);
   //Transparent navigation bar   (.FLAG_TRANSLUCENT_NAVIGATION);
   //Set contentview to fitsSystemWindows   ViewGroup contentView = (ViewGroup) findViewById();
   View childAt = (0);
   if (childAt != null) {
    (true);
   }
   //Color statusbar   View view = new View(this);
   (new (.MATCH_PARENT, getStatusBarHeight(this)));
   (color);
   (view);
  }
  if (.SDK_INT &gt;= Build.VERSION_CODES.M &amp;&amp; useStatusBarColor) {//After Android 6.0, you can modify the text color and icon of the status bar   getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
  }
 }

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