Change the transparency of the status bar to using ImageView as the title view page

README.md

@@ -146,6 +146,15 @@ A util for setting status bar style on Android App. It can work above API 19(Kit
 
   ![](img/set_transparent.png)
 
+- Change the transparency of the status bar to using ImageView as the title view page
+
+  ```java
+  StatusBarUtil.setStatusColorForImageView(Activity activity, @ColorInt int color, int colorAlpha);
+  StatusBarUtil.setColorWithAlpha(Activity activity, @ColorInt int color, int colorAlpha);
+  ```
+
+  ![](img/change_status_bar_for_imageview.gif)
+
 - Set status bar color for `DrawerLayout`
 
   ```java

sample/src/main/AndroidManifest.xml

@@ -23,6 +23,7 @@
         <activity android:name="com.jaeger.statusbarutil.UseInFragmentActivity"/>
         <activity android:name="com.jaeger.statusbarutil.SwipeBackActivity"/>
         <activity android:name="com.jaeger.statusbarutil.SwitchModeActivity"/>
+        <activity android:name="com.jaeger.statusbarutil.LightModeActivity"/>
     </application>
 
 </manifest>

sample/src/main/java/com/jaeger/statusbarutil/LightModeActivity.java

@@ -0,0 +1,107 @@
+package com.jaeger.statusbarutil;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.Gravity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.jaeger.library.StatusBarUtil;
+import com.jaeger.statusbardemo.R;
+
+/**
+ * Created by walter on 2019/11/7.
+ * Email: fengxiao1493@qq.com
+ * GitHub: https://github.com/walterFeng
+ */
+public class LightModeActivity extends BaseActivity {
+
+    private Toolbar mToolbar;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_light_mode);
+        mToolbar = findViewById(R.id.toolbar);
+        RecyclerView recyclerView = findViewById(R.id.recyclerView);
+
+        setSupportActionBar(mToolbar);
+        mToolbar.setTitleTextColor(Color.BLACK);
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        }
+
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        recyclerView.setAdapter(new RecyclerView.Adapter() {
+            @NonNull
+            @Override
+            public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
+                TextView item = new TextView(LightModeActivity.this);
+                item.setTextSize(28f);
+                item.setPadding(50, 0, 0, 0);
+                ViewGroup.MarginLayoutParams params = new ViewGroup.MarginLayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 300);
+                item.setLayoutParams(params);
+                return new ViewHolder(item);
+            }
+
+            @Override
+            public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
+                ((ViewHolder) viewHolder).onBind(i);
+            }
+
+            @Override
+            public int getItemCount() {
+                return 30;
+            }
+        });
+        recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
+
+            int scrolledY = 0;
+            int offsetY = 500;
+
+            @Override
+            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
+                super.onScrollStateChanged(recyclerView, newState);
+            }
+
+            @Override
+            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
+                super.onScrolled(recyclerView, dx, dy);
+                scrolledY += dy;
+                float alpha = scrolledY * 1f / offsetY;
+                if (alpha > 1f) {
+                    alpha = 1f;
+                } else if (alpha < 0f) {
+                    alpha = 0f;
+                }
+                int finalAlpha = (int) (alpha * 255);
+                StatusBarUtil.setColorWithAlpha(LightModeActivity.this, Color.WHITE, finalAlpha);
+                mToolbar.setBackgroundColor(StatusBarUtil.calculateColorLightMode(Color.WHITE, finalAlpha));
+            }
+        });
+    }
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        TextView textView;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            this.textView = (TextView) itemView;
+        }
+
+        void onBind(int position) {
+            textView.setText("item" + position);
+            textView.setGravity(Gravity.CENTER_VERTICAL);
+        }
+    }
+
+    @Override
+    protected void setStatusBar() {
+        StatusBarUtil.setStatusColorForImageView(this, Color.WHITE, 0, findViewById(R.id.toolbar));
+    }
+}

sample/src/main/java/com/jaeger/statusbarutil/MainActivity.java

@@ -11,12 +11,13 @@
 import android.widget.CheckBox;
 import android.widget.SeekBar;
 import android.widget.TextView;
+
 import com.jaeger.library.StatusBarUtil;
 import com.jaeger.statusbardemo.R;
 
 /**
  * Created by Jaeger on 16/2/14.
- *
+ * <p>
  * Email: chjie.jaeger@gmail.com
  * GitHub: https://github.com/laobie
  */
@@ -31,6 +32,7 @@ public class MainActivity extends BaseActivity {
     private Button mBtnUseInFragment;
     private Button mBtnSetColorForSwipeBack;
     private Button mBtnSwitchMode;
+    private Button mBtnLightMode;
 
     private ViewGroup contentLayout;
     private SeekBar mSbChangeAlpha;
@@ -55,12 +57,13 @@ protected void onCreate(Bundle savedInstanceState) {
         mBtnUseInFragment = findViewById(R.id.btn_use_in_fragment);
         mBtnSetColorForSwipeBack = findViewById(R.id.btn_set_color_for_swipe_back);
         mBtnSwitchMode = findViewById(R.id.btn_switch_mode);
+        mBtnLightMode = findViewById(R.id.btn_light_mode);
         mSbChangeAlpha = findViewById(R.id.sb_change_alpha);
         mTvStatusAlpha = findViewById(R.id.tv_status_alpha);
         setSupportActionBar(mToolbar);
 
         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolbar, R.string.navigation_drawer_open,
-            R.string.navigation_drawer_close);
+                R.string.navigation_drawer_close);
         mDrawerLayout.setDrawerListener(toggle);
         toggle.syncState();
 
@@ -122,6 +125,14 @@ public void onClick(View view) {
             }
         });
 
+        mBtnLightMode.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(MainActivity.this, LightModeActivity.class);
+                startActivity(intent);
+            }
+        });
+
         mChbTranslucent.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -133,7 +144,7 @@ public void onClick(View v) {
                     contentLayout.setBackgroundDrawable(null);
                     mToolbar.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
                     StatusBarUtil.setColorForDrawerLayout(MainActivity.this, mDrawerLayout,
-                        getResources().getColor(R.color.colorPrimary), mAlpha);
+                            getResources().getColor(R.color.colorPrimary), mAlpha);
                 }
             }
         });

sample/src/main/res/layout/activity_light_mode.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:background="@color/white"
+    android:orientation="vertical">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="match_parent"
+        android:layout_height="240dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/bg_monkey_king" />
+
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="@color/colorPrimary"
+        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
+        app:theme="@style/ThemeOverlay.AppCompat.Light" />
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@+id/toolbar"
+        android:background="@color/colorAccent" />
+
+</RelativeLayout>

sample/src/main/res/layout/activity_main.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v4.widget.DrawerLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/drawer_layout"
     android:layout_width="match_parent"
@@ -24,86 +23,94 @@
                 android:layout_height="?attr/actionBarSize"
                 android:background="@color/colorPrimary"
                 app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
-                app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
+                app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" />
 
             <CheckBox
                 android:id="@+id/chb_translucent"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Translucent"/>
+                android:text="Translucent" />
 
             <TextView
                 android:id="@+id/tv_status_alpha"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:textColor="@color/colorAccent"
-                android:textSize="24sp"/>
+                android:textSize="24sp" />
 
             <SeekBar
                 android:id="@+id/sb_change_alpha"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginLeft="16dp"
-                android:layout_marginRight="16dp"/>
+                android:layout_marginRight="16dp" />
 
             <Button
                 android:id="@+id/btn_set_color"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_marginTop="4dp"
-                android:text="Set Color"/>
+                android:text="Set Color" />
 
             <Button
                 android:id="@+id/btn_set_transparent"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Set Transparent"/>
+                android:text="Set Transparent" />
 
             <Button
                 android:id="@+id/btn_set_translucent"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Set Translucent"/>
+                android:text="Set Translucent" />
 
             <Button
                 android:id="@+id/btn_set_for_image_view"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Set For ImageView"/>
+                android:text="Set For ImageView" />
 
             <Button
                 android:id="@+id/btn_use_in_fragment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Use In Fragment"/>
+                android:text="Use In Fragment" />
 
             <Button
                 android:id="@+id/btn_set_color_for_swipe_back"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Set Color For Swipe Back Page "/>
+                android:text="Set Color For Swipe Back Page " />
 
             <Button
                 android:id="@+id/btn_switch_mode"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:layout_margin="4dp"
-                android:text="Switch Light or Dark Mode"/>
+                android:text="Switch Light or Dark Mode" />
+
+            <Button
+                android:id="@+id/btn_light_mode"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_margin="4dp"
+                android:text="light model with imageView" />
 
         </LinearLayout>
     </FrameLayout>
@@ -115,6 +122,6 @@
         android:layout_gravity="start"
         android:background="@color/white"
         app:headerLayout="@layout/nav_header"
-        app:menu="@menu/activity_main_drawer"/>
+        app:menu="@menu/activity_main_drawer" />
 
 </android.support.v4.widget.DrawerLayout>