Reorganized the lib, added gradle build, a sample and dynamic color filter

.gitignore

@@ -0,0 +1,35 @@
+# Eclipse
+.project
+.classpath
+.settings
+.checkstyle
+
+# IntelliJ IDEA
+.idea
+*.iml
+*.ipr
+*.iws
+classes
+gen-external-apklibs
+
+# Gradle
+.gradle
+build
+
+# Maven
+target
+release.properties
+pom.xml.*
+
+# Ant
+bin
+gen
+build.xml
+ant.properties
+local.properties
+proguard.cfg
+proguard-project.txt
+
+# Other
+.DS_Store
+tmp

AndroidManifest.xml → Library/AndroidManifest.xml

@@ -7,10 +7,4 @@
         android:minSdkVersion="11"
         android:targetSdkVersion="17" />
 
-    <application
-        android:allowBackup="true"
-        android:label="@string/app_name"
-        android:theme="@style/AppTheme" >
-    </application>
-
 </manifest>

Library/build.gradle

@@ -0,0 +1,18 @@
+apply plugin: 'android-library'
+
+dependencies {
+    compile 'com.android.support:support-v4:18.0.0'
+}
+
+android {
+  compileSdkVersion 18
+  buildToolsVersion '18'
+
+  sourceSets {
+    main {
+      manifest.srcFile 'AndroidManifest.xml'
+      java.srcDirs = ['src']
+      res.srcDirs = ['res']
+    }
+  }
+}

project.properties → Library/project.properties

@@ -11,5 +11,5 @@
 #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
 
 # Project target.
-target=android-17
+target=android-18
 android.library=true

Library/res/values/attrs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="EdgeEffectView">
+        <attr name="edgeeffect_color" format="color"/>
+    </declare-styleable>
+</resources>

Library/res/values/defaults.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="default_edgeeffect_color">#FF33B5E5</color>
+</resources>

Library/src/uk/co/androidalliance/edgeeffectoverride/ContextWrapperEdgeEffect.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2013 Android Alliance, LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package uk.co.androidalliance.edgeeffectoverride;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.res.AssetManager;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.util.DisplayMetrics;
+import android.util.Log;
+
+public class ContextWrapperEdgeEffect extends ContextWrapper {
+
+  private ResourcesEdgeEffect mResourcesEdgeEffect;
+  private int mColor;
+  private Drawable mEdgeDrawable;
+  private Drawable mGlowDrawable;
+
+  public ContextWrapperEdgeEffect(Context context) {
+    this(context, 0);
+  }
+
+  public ContextWrapperEdgeEffect(Context context, int color) {
+    super(context);
+    mColor = color;
+    Resources resources = context.getResources();
+    mResourcesEdgeEffect = new ResourcesEdgeEffect(resources.getAssets(), resources.getDisplayMetrics(), resources.getConfiguration());
+  }
+
+  public void setEdgeEffectColor(int color) {
+    mColor = color;
+    if (mEdgeDrawable != null) mEdgeDrawable.setColorFilter(color, PorterDuff.Mode.MULTIPLY);
+    if (mGlowDrawable != null) mGlowDrawable.setColorFilter(color, PorterDuff.Mode.MULTIPLY);
+  }
+
+  @Override
+  public Resources getResources() {
+    return mResourcesEdgeEffect;
+  }
+
+  private class ResourcesEdgeEffect extends Resources {
+    private int overscroll_edge = getPlatformDrawableId("overscroll_edge");
+    private int overscroll_glow = getPlatformDrawableId("overscroll_glow");
+
+    public ResourcesEdgeEffect(AssetManager assets, DisplayMetrics metrics, Configuration config) {
+      //super(metrics, localConfiguration);
+      super(assets, metrics, config);
+    }
+
+    private int getPlatformDrawableId(String name) {
+      try {
+        int i = ((Integer) Class.forName("com.android.internal.R$drawable").getField(name).get(null)).intValue();
+        return i;
+      } catch (ClassNotFoundException e) {
+        Log.e("[ContextWrapperEdgeEffect].getPlatformDrawableId()", "Cannot find internal resource class");
+        return 0;
+      } catch (NoSuchFieldException e1) {
+        Log.e("[ContextWrapperEdgeEffect].getPlatformDrawableId()", "Internal resource id does not exist: " + name);
+        return 0;
+      } catch (IllegalArgumentException e2) {
+        Log.e("[ContextWrapperEdgeEffect].getPlatformDrawableId()", "Cannot access internal resource id: " + name);
+        return 0;
+      } catch (IllegalAccessException e3) {
+        Log.e("[ContextWrapperEdgeEffect].getPlatformDrawableId()", "Cannot access internal resource id: " + name);
+      }
+      return 0;
+    }
+
+    @Override
+    public Drawable getDrawable(int resId) throws Resources.NotFoundException {
+      Drawable ret = null;
+      if (resId == this.overscroll_edge) {
+        mEdgeDrawable = ContextWrapperEdgeEffect.this.getBaseContext().getResources().getDrawable(R.drawable.overscroll_edge);
+        ret = mEdgeDrawable;
+      } else if (resId == this.overscroll_glow) {
+        mGlowDrawable = ContextWrapperEdgeEffect.this.getBaseContext().getResources().getDrawable(R.drawable.overscroll_glow);
+        ret = mGlowDrawable;
+      } else return super.getDrawable(resId);
+
+      if (ret != null) {
+        ret.setColorFilter(mColor, PorterDuff.Mode.MULTIPLY);
+      }
+
+      return ret;
+    }
+  }
+}

Library/src/uk/co/androidalliance/edgeeffectoverride/EdgeEffectExpandableListView.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2013 Android Alliance, LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package uk.co.androidalliance.edgeeffectoverride;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+
+public class EdgeEffectExpandableListView extends android.widget.ExpandableListView {
+
+  public EdgeEffectExpandableListView(Context context) {
+    this(context, null);
+  }
+
+	public EdgeEffectExpandableListView(Context context, AttributeSet attrs) {
+		this(context, attrs, 0);
+	}
+
+	public EdgeEffectExpandableListView(Context context, AttributeSet attrs, int defStyle) {
+		super(new ContextWrapperEdgeEffect(context), attrs, defStyle);
+    init(context, attrs, defStyle);
+	}
+
+  private void init(Context context, AttributeSet attrs, int defStyle){
+    int color = context.getResources().getColor(R.color.default_edgeeffect_color);
+
+    if (attrs != null) {
+      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.EdgeEffectView, defStyle, 0);
+      color = a.getColor(R.styleable.EdgeEffectView_edgeeffect_color, color);
+      a.recycle();
+    }
+    setEdgeEffectColor(color);
+  }
+
+  public void setEdgeEffectColor(int edgeEffectColor){
+    ((ContextWrapperEdgeEffect)  getContext()).setEdgeEffectColor(edgeEffectColor);
+  }
+}

Library/src/uk/co/androidalliance/edgeeffectoverride/EdgeEffectGridView.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2013 Android Alliance, LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package uk.co.androidalliance.edgeeffectoverride;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+
+public class EdgeEffectGridView extends android.widget.GridView {
+
+  public EdgeEffectGridView(Context context) {
+    this(context, null);
+  }
+
+	public EdgeEffectGridView(Context context, AttributeSet attrs) {
+		this(context, attrs, 0);
+	}
+
+	public EdgeEffectGridView(Context context, AttributeSet attrs, int defStyle) {
+		super(new ContextWrapperEdgeEffect(context), attrs, defStyle);
+    init(context, attrs, defStyle);
+	}
+
+  private void init(Context context, AttributeSet attrs, int defStyle){
+    int color = context.getResources().getColor(R.color.default_edgeeffect_color);
+
+    if (attrs != null) {
+      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.EdgeEffectView, defStyle, 0);
+      color = a.getColor(R.styleable.EdgeEffectView_edgeeffect_color, color);
+      a.recycle();
+    }
+    setEdgeEffectColor(color);
+  }
+
+  public void setEdgeEffectColor(int edgeEffectColor){
+    ((ContextWrapperEdgeEffect)  getContext()).setEdgeEffectColor(edgeEffectColor);
+  }
+}

Library/src/uk/co/androidalliance/edgeeffectoverride/EdgeEffectListView.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2013 Android Alliance, LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package uk.co.androidalliance.edgeeffectoverride;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.test.IsolatedContext;
+import android.util.AttributeSet;
+
+public class EdgeEffectListView extends android.widget.ListView {
+
+  public EdgeEffectListView(Context context) {
+    this(context, null);
+  }
+
+  public EdgeEffectListView(Context context, AttributeSet attrs) {
+    this(context, attrs, 0);
+  }
+
+  public EdgeEffectListView(Context context, AttributeSet attrs, int defStyle) {
+    super(new ContextWrapperEdgeEffect(context), attrs, defStyle);
+    init(context, attrs, defStyle);
+  }
+
+  private void init(Context context, AttributeSet attrs, int defStyle) {
+    int color = context.getResources().getColor(R.color.default_edgeeffect_color);
+
+    if (attrs != null) {
+      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.EdgeEffectView, defStyle, 0);
+      color = a.getColor(R.styleable.EdgeEffectView_edgeeffect_color, color);
+      a.recycle();
+    }
+    setEdgeEffectColor(color);
+  }
+
+  public void setEdgeEffectColor(int edgeEffectColor) {
+    ((ContextWrapperEdgeEffect) getContext()).setEdgeEffectColor(edgeEffectColor);
+  }
+}