[M] BarUtils添加transparentNavBar实现

Author: YoungBill

feature/utilcode/pkg/src/main/java/com/blankj/utilcode/pkg/feature/bar/nav/BarNavActivity.kt

@@ -12,7 +12,6 @@ import com.blankj.utilcode.pkg.R
 import com.blankj.utilcode.util.BarUtils
 import com.blankj.utilcode.util.CollectionUtils
 import com.blankj.utilcode.util.ColorUtils
-import com.blankj.utilcode.util.Utils
 
 /**
  * ```
@@ -41,24 +40,43 @@ class BarNavActivity : CommonActivity() {
             add(CommonItemTitle("isSupportNavBar", BarUtils.isSupportNavBar().toString()))
             if (BarUtils.isSupportNavBar()) {
                 add(CommonItemSwitch(
-                        R.string.bar_nav_visibility,
-                        { BarUtils.isNavBarVisible(this@BarNavActivity) },
-                        { BarUtils.setNavBarVisibility(this@BarNavActivity, it) }
+                    R.string.bar_nav_visibility,
+                    { BarUtils.isNavBarVisible(this@BarNavActivity) },
+                    { BarUtils.setNavBarVisibility(this@BarNavActivity, it) }
                 ))
 
                 add(CommonItemSwitch(
-                        R.string.bar_nav_light_mode,
-                        { BarUtils.isNavBarLightMode(this@BarNavActivity) },
-                        { BarUtils.setNavBarLightMode(this@BarNavActivity, it) }
+                    R.string.bar_nav_light_mode,
+                    { BarUtils.isNavBarLightMode(this@BarNavActivity) },
+                    { BarUtils.setNavBarLightMode(this@BarNavActivity, it) }
                 ))
 
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-                    add(CommonItemClick("getNavBarColor: ${ColorUtils.int2ArgbString(BarUtils.getNavBarColor(this@BarNavActivity))}").setOnItemClickListener() { _, item, _ ->
-                        BarUtils.setNavBarColor(this@BarNavActivity, ColorUtils.getRandomColor())
-                        itemsView.updateItems(bindItems())
-                        item.title = "getNavBarColor: ${ColorUtils.int2ArgbString(BarUtils.getNavBarColor(this@BarNavActivity))}"
-                    })
+                    add(
+                        CommonItemClick(
+                            "getNavBarColor: ${
+                                ColorUtils.int2ArgbString(
+                                    BarUtils.getNavBarColor(
+                                        this@BarNavActivity
+                                    )
+                                )
+                            }"
+                        ).setOnItemClickListener() { _, item, _ ->
+                            BarUtils.setNavBarColor(
+                                this@BarNavActivity,
+                                ColorUtils.getRandomColor()
+                            )
+                            itemsView.updateItems(bindItems())
+                            item.title = "getNavBarColor: ${
+                                ColorUtils.int2ArgbString(
+                                    BarUtils.getNavBarColor(this@BarNavActivity)
+                                )
+                            }"
+                        })
                 }
+                add(CommonItemClick("transparentNavBar").setOnItemClickListener() { _, item, _ ->
+                    BarUtils.transparentNavBar(this@BarNavActivity)
+                })
             }
         }
     }

lib/utilcode/src/main/java/com/blankj/utilcode/util/BarUtils.java

@@ -1,5 +1,7 @@
 package com.blankj.utilcode.util;
 
+import static android.Manifest.permission.EXPAND_STATUS_BAR;
+
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
@@ -19,15 +21,13 @@
 import android.view.Window;
 import android.view.WindowManager;
 
-import java.lang.reflect.Method;
-
 import androidx.annotation.ColorInt;
 import androidx.annotation.NonNull;
 import androidx.annotation.RequiresApi;
 import androidx.annotation.RequiresPermission;
 import androidx.drawerlayout.widget.DrawerLayout;
 
-import static android.Manifest.permission.EXPAND_STATUS_BAR;
+import java.lang.reflect.Method;
 
 /**
  * <pre>
@@ -44,8 +44,8 @@ public final class BarUtils {
     ///////////////////////////////////////////////////////////////////////////
 
     private static final String TAG_STATUS_BAR = "TAG_STATUS_BAR";
-    private static final String TAG_OFFSET     = "TAG_OFFSET";
-    private static final int    KEY_OFFSET     = -123;
+    private static final String TAG_OFFSET = "TAG_OFFSET";
+    private static final int KEY_OFFSET = -123;
 
     private BarUtils() {
         throw new UnsupportedOperationException("u can't instantiate me...");
@@ -715,4 +715,26 @@ public static boolean isNavBarLightMode(@NonNull final Window window) {
         }
         return false;
     }
+
+    public static void transparentNavBar(@NonNull final Activity activity) {
+        transparentNavBar(activity.getWindow());
+    }
+
+    public static void transparentNavBar(@NonNull final Window window) {
+        if (Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN) return;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            window.setNavigationBarContrastEnforced(false);
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            window.setNavigationBarColor(Color.TRANSPARENT);
+        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            if ((window.getAttributes().flags & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0) {
+                window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
+            }
+        }
+        View decorView = window.getDecorView();
+        int vis = decorView.getSystemUiVisibility();
+        int option = View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
+        decorView.setSystemUiVisibility(vis | option);
+    }
 }