Rework text selection and add MIUI support

Author: Mishiranu

res/values-v21/styles.xml

@@ -256,7 +256,11 @@
 
 	</style>
 
-	<style name="Theme.Launcher" parent="@android:style/Theme.Material.NoActionBar" />
+	<style name="Theme.Launcher" parent="@android:style/Theme.Material.NoActionBar">
+
+		<item name="android:navigationBarColor">@android:color/black</item>
+
+	</style>
 
 	<style name="Widget.OverlapPopupMenu" parent="@android:style/Widget.Material.PopupMenu">
 

src/com/mishiranu/dashchan/util/AndroidUtils.java

@@ -10,9 +10,26 @@
 import android.os.Build;
 import android.os.Handler;
 import androidx.annotation.RequiresApi;
+import chan.util.StringUtils;
 import com.mishiranu.dashchan.C;
+import java.lang.reflect.Method;
 
 public class AndroidUtils {
+	public static final boolean IS_MIUI;
+
+	static {
+		boolean isMiui = false;
+		try {
+			@SuppressLint("PrivateApi")
+			Method getProperty = Class.forName("android.os.SystemProperties")
+					.getMethod("get", String.class, String.class);
+			isMiui = !StringUtils.isEmpty((String) getProperty.invoke(null, "ro.miui.ui.version.name", ""));
+		} catch (Exception e) {
+			// Ignore exception
+		}
+		IS_MIUI = isMiui;
+	}
+
 	public interface OnReceiveListener {
 		void onReceive(BroadcastReceiver receiver, Context context, Intent intent);
 	}

src/com/mishiranu/dashchan/widget/ClickableToast.java

@@ -29,19 +29,18 @@
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.LifecycleOwner;
 import androidx.lifecycle.OnLifecycleEvent;
-import chan.util.StringUtils;
 import com.mishiranu.dashchan.C;
 import com.mishiranu.dashchan.R;
 import com.mishiranu.dashchan.content.model.ErrorItem;
 import com.mishiranu.dashchan.graphics.BaseDrawable;
+import com.mishiranu.dashchan.util.AndroidUtils;
 import com.mishiranu.dashchan.util.ConcurrentUtils;
 import com.mishiranu.dashchan.util.FlagUtils;
 import com.mishiranu.dashchan.util.GraphicsUtils;
 import com.mishiranu.dashchan.util.ResourceUtils;
 import com.mishiranu.dashchan.util.ViewUtils;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Field;
-import java.lang.reflect.Method;
 import java.util.Objects;
 import java.util.UUID;
 
@@ -342,7 +341,7 @@ private boolean addContainerToWindowManager() {
 				int type = WindowManager.LayoutParams.TYPE_PHONE;
 				added = addContainerToWindowManager(type);
 			}
-		} else if (C.API_LOLLIPOP && !IS_MIUI) {
+		} else if (C.API_LOLLIPOP && !AndroidUtils.IS_MIUI) {
 			// TYPE_TOAST works well only on Android 5.0-7.1, but doesn't work on MIUI
 			@SuppressWarnings("deprecation")
 			int type = WindowManager.LayoutParams.TYPE_TOAST;
@@ -598,18 +597,4 @@ public int getIntrinsicWidth() {
 			return width;
 		}
 	}
-
-	private static final boolean IS_MIUI;
-
-	static {
-		boolean isMiui = false;
-		try {
-			Method getProperty = Class.forName("android.os.SystemProperties")
-					.getMethod("get", String.class, String.class);
-			isMiui = !StringUtils.isEmpty((String) getProperty.invoke(null, "ro.miui.ui.version.name", ""));
-		} catch (Exception e) {
-			// Ignore exception
-		}
-		IS_MIUI = isMiui;
-	}
 }