Merge pull request #16 from saeedmozaffari/master

Possibility to determine the edge touch level
AsilbekAzimqulov · Oct 9, 2017 · 29058e2 · 29058e2
2 parents 5b79e7f + c084b4e
commit 29058e2
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Showing 3 changed files with 71 additions and 1 deletion.
diff --git a/swipeback/src/main/java/me/yokeyword/swipebackfragment/SwipeBackActivity.java b/swipeback/src/main/java/me/yokeyword/swipebackfragment/SwipeBackActivity.java
@@ -48,6 +48,14 @@ void onActivityCreate() {
         mSwipeBackLayout.setLayoutParams(params);
     }
 
+    protected void setEdgeLevel(SwipeBackLayout.EdgeLevel edgeLevel) {
+        mSwipeBackLayout.setEdgeLevel(edgeLevel);
+    }
+
+    protected void setEdgeLevel(int widthPixel) {
+        mSwipeBackLayout.setEdgeLevel(widthPixel);
+    }
+
     public SwipeBackLayout getSwipeBackLayout() {
         return mSwipeBackLayout;
     }

diff --git a/swipeback/src/main/java/me/yokeyword/swipebackfragment/SwipeBackFragment.java b/swipeback/src/main/java/me/yokeyword/swipebackfragment/SwipeBackFragment.java
@@ -69,6 +69,20 @@ protected View attachToSwipeBack(View view) {
         return mSwipeBackLayout;
     }
 
+    protected View attachToSwipeBack(View view, SwipeBackLayout.EdgeLevel edgeLevel) {
+        mSwipeBackLayout.attachToFragment(this, view);
+        mSwipeBackLayout.setEdgeLevel(edgeLevel);
+        return mSwipeBackLayout;
+    }
+
+    protected void setEdgeLevel(SwipeBackLayout.EdgeLevel edgeLevel) {
+        mSwipeBackLayout.setEdgeLevel(edgeLevel);
+    }
+
+    protected void setEdgeLevel(int widthPixel) {
+        mSwipeBackLayout.setEdgeLevel(widthPixel);
+    }
+
     @Override
     public void onHiddenChanged(boolean hidden) {
         super.onHiddenChanged(hidden);

diff --git a/swipeback/src/main/java/me/yokeyword/swipebackfragment/SwipeBackLayout.java b/swipeback/src/main/java/me/yokeyword/swipebackfragment/SwipeBackLayout.java
@@ -11,13 +11,15 @@
 import android.support.v4.view.ViewCompat;
 import android.support.v4.widget.ViewDragHelper;
 import android.util.AttributeSet;
+import android.util.DisplayMetrics;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.widget.FrameLayout;
-
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -84,6 +86,13 @@ public class SwipeBackLayout extends FrameLayout {
     private boolean mEnable = true;
     private int mCurrentSwipeOrientation;
 
+    private Context context;
+    private EdgeLevel edgeLevel;
+
+    public enum EdgeLevel {
+        MAX, MIN, MED
+    }
+
     /**
      * The set of listeners to be sent events through.
      */
@@ -99,6 +108,7 @@ public SwipeBackLayout(Context context, AttributeSet attrs) {
 
     public SwipeBackLayout(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
+        this.context = context;
         init();
     }
 
@@ -140,6 +150,44 @@ public void setEdgeOrientation(int orientation) {
         }
     }
 
+    public void setEdgeLevel(EdgeLevel edgeLevel) {
+        this.edgeLevel = edgeLevel;
+        validateEdgeLevel(0, edgeLevel);
+    }
+
+    public void setEdgeLevel(int widthPixel) {
+        validateEdgeLevel(widthPixel, null);
+    }
+
+    public EdgeLevel getEdgeLevel() {
+        return edgeLevel;
+    }
+
+    private void validateEdgeLevel(int widthPixel, EdgeLevel edgeLevel) {
+        try {
+            DisplayMetrics metrics = new DisplayMetrics();
+            WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
+            windowManager.getDefaultDisplay().getMetrics(metrics);
+            Field mEdgeSize = mHelper.getClass().getDeclaredField("mEdgeSize");
+            mEdgeSize.setAccessible(true);
+            if (widthPixel != 0) {
+                mEdgeSize.setInt(mHelper, widthPixel);
+            } else {
+                if (edgeLevel == EdgeLevel.MAX) {
+                    mEdgeSize.setInt(mHelper, metrics.widthPixels);
+                } else if (edgeLevel == EdgeLevel.MED) {
+                    mEdgeSize.setInt(mHelper, metrics.widthPixels / 2);
+                } else if (edgeLevel == EdgeLevel.MIN) {
+                    mEdgeSize.setInt(mHelper, ((int) (20 * metrics.density + 0.5f)));
+                }
+            }
+        } catch (NoSuchFieldException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
     @IntDef({EDGE_LEFT, EDGE_RIGHT, EDGE_ALL})
     @Retention(RetentionPolicy.SOURCE)
     public @interface EdgeOrientation {