Add UI Control Feature

app/src/main/java/jp/ruby/rubylibrary/MainActivity.java

 package jp.ruby.rubylibrary;
 
 import android.app.Activity;
+import android.graphics.Color;
 import android.os.Bundle;
 import android.widget.TextView;
 
 import java.nio.charset.Charset;
 
 import yuki.resource.extended.StorageIOManager;
+import yuki.resource.extended.UIController;
 
 public class MainActivity extends Activity {
 
@@ -16,9 +18,19 @@ public class MainActivity extends Activity {
         setContentView(R.layout.activity_main);
         TextView tv=(TextView)findViewById(R.id.tv);
         String s= null;
+        UIController.SetStatusBarBackgroundColor(this,Color.BLACK);
+        UIController.SetNavigationBarBackgroundColor(this,Color.RED);
+        //UIController.HideStatusBar(this);
+        UIController.HideNavigationBar(this);
+        //UIController.ShowStatusBar(this);
+        UIController.ShowNavigationBar(this);
         try {
-            StorageIOManager.WriteStringToFileSystem(getApplicationContext(),"/storage/emulated/0/1.txt","TEST IO");
-            s = StorageIOManager.ReadStringFromFileSystem(getApplicationContext(),"/system/bin/sh",true);
+            s=String.format("Screen Size\nReal Size: %d px * %d px\n", UIController.GetRealDisplayWidth(this),UIController.GetRealDisplayHeight(this));
+            s+=String.format("Real Size: %d dp * %d dp\n", UIController.PixelToDP(UIController.GetRealDisplayWidth(this),UIController.GetRealDisplayMetrics(this).density),
+                    UIController.PixelToDP(UIController.GetRealDisplayHeight(this),UIController.GetRealDisplayMetrics(this).density));
+            s+=String.format("Logical Size: %d px * %d px\n", UIController.GetLogicalDisplayWidth(this),UIController.GetLogicalDisplayHeight(this));
+            s+=String.format("Logical Size: %d dp * %d dp\n", UIController.PixelToDP(UIController.GetLogicalDisplayWidth(this),UIController.GetLogicalDisplayMetrics(this).density),
+                    UIController.PixelToDP(UIController.GetLogicalDisplayHeight(this),UIController.GetLogicalDisplayMetrics(this).density));
             tv.setText(s);
         } catch (Exception e) {
             e.printStackTrace();

rubylib/src/main/java/yuki/resource/extended/UIController.java

+package yuki.resource.extended;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.graphics.Color;
+import android.os.Build;
+import android.support.annotation.ColorInt;
+import android.util.DisplayMetrics;
+import android.view.Display;
+import android.view.View;
+import android.view.WindowManager;
+
+import static android.view.View.SYSTEM_UI_FLAG_FULLSCREEN;
+
+/**
+ * Created by Akeno on 2017/06/29.
+ */
+
+public class UIController {
+
+    public static void SetStatusBarBackgroundColor(Activity activity,int a,int r,int g,int b){
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+            activity.getWindow().setStatusBarColor(Color.argb(a, r, g, b));
+        }
+    }
+
+    public static void SetStatusBarBackgroundColor(Activity activity,@ColorInt  int color){
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+            activity.getWindow().setStatusBarColor(color);
+        }
+    }
+
+    public static void SetNavigationBarBackgroundColor(Activity activity,int a,int r,int g,int b){
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+            activity.getWindow().setNavigationBarColor(Color.argb(a, r, g, b));
+        }
+    }
+
+    public static void SetNavigationBarBackgroundColor(Activity activity,@ColorInt  int color){
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+            activity.getWindow().setNavigationBarColor(color);
+        }
+    }
+
+    public static DisplayMetrics GetRealDisplayMetrics(Activity activity){
+        DisplayMetrics dm=new DisplayMetrics();
+        activity.getWindowManager().getDefaultDisplay().getRealMetrics(dm);
+        return dm;
+    }
+
+    public static DisplayMetrics GetLogicalDisplayMetrics(Activity activity){
+        DisplayMetrics dm=new DisplayMetrics();
+        activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
+        return dm;
+    }
+
+    public static int GetRealDisplayHeight(Activity activity){
+        return GetRealDisplayMetrics(activity).heightPixels;
+    }
+
+    public static int GetRealDisplayWidth(Activity activity){
+        return GetRealDisplayMetrics(activity).widthPixels;
+    }
+
+    public static int GetLogicalDisplayHeight(Activity activity){
+        return GetLogicalDisplayMetrics(activity).heightPixels;
+    }
+
+    public static int GetLogicalDisplayWidth(Activity activity){
+        return GetLogicalDisplayMetrics(activity).widthPixels;
+    }
+
+    public static int PixelToDP(int pixel,float ratio){
+        return (int) (pixel/ratio);
+    }
+
+    public static int DPToPixel(int dp,float ratio){
+        return (int)(dp*ratio);
+    }
+
+    public static DisplayMetrics SizeToDisplayMetrics(int height,int width){
+        DisplayMetrics dm=new DisplayMetrics();
+        dm.setToDefaults();
+        dm.widthPixels=width;
+        dm.heightPixels=height;
+        return dm;
+    }
+
+    public static void HideStatusBar(Activity activity){
+        View mDecorView=activity.getWindow().getDecorView();
+        int uiv=mDecorView.getSystemUiVisibility();
+        uiv|=View.SYSTEM_UI_FLAG_IMMERSIVE;
+        uiv|=View.SYSTEM_UI_FLAG_FULLSCREEN;
+        mDecorView.setSystemUiVisibility(uiv);
+    }
+
+    public static void ShowStatusBar(Activity activity){
+        View mDecorView=activity.getWindow().getDecorView();
+        int uiv=mDecorView.getSystemUiVisibility();
+        uiv|=View.SYSTEM_UI_FLAG_IMMERSIVE;
+        uiv&=~View.SYSTEM_UI_FLAG_FULLSCREEN;
+        mDecorView.setSystemUiVisibility(uiv);
+    }
+
+    public static void HideNavigationBar(Activity activity){
+        View mDecorView=activity.getWindow().getDecorView();
+        int uiv=mDecorView.getSystemUiVisibility();
+        uiv|=View.SYSTEM_UI_FLAG_IMMERSIVE;
+        uiv|=View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
+        mDecorView.setSystemUiVisibility(uiv);
+    }
+
+    public static void ShowNavigationBar(Activity activity){
+        View mDecorView=activity.getWindow().getDecorView();
+        int uiv=mDecorView.getSystemUiVisibility();
+        uiv|=View.SYSTEM_UI_FLAG_IMMERSIVE;
+        uiv&=~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
+        mDecorView.setSystemUiVisibility(uiv);
+    }
+}