├── .gitignore ├── EdgeEffectOverride.java ├── Example.png ├── LICENSE └── README.md /.gitignore: -------------------------------------------------------------------------------- 1 | # built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # files for the dex VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # generated files 12 | bin/ 13 | gen/ 14 | 15 | # Local configuration file (sdk path, etc) 16 | local.properties 17 | 18 | # Eclipse project files 19 | .classpath 20 | .project 21 | 22 | # Proguard folder generated by Eclipse 23 | proguard/ 24 | 25 | # Intellij project files 26 | *.iml 27 | *.ipr 28 | *.iws 29 | .idea/ 30 | -------------------------------------------------------------------------------- /EdgeEffectOverride.java: -------------------------------------------------------------------------------- 1 | package com.demondevelopers.eeo; 2 | 3 | import android.annotation.TargetApi; 4 | import android.content.Context; 5 | import android.content.ContextWrapper; 6 | import android.content.res.Resources; 7 | import android.graphics.Color; 8 | import android.graphics.ColorMatrix; 9 | import android.graphics.ColorMatrixColorFilter; 10 | import android.graphics.drawable.Drawable; 11 | import android.os.Build.VERSION_CODES; 12 | import android.view.ContextThemeWrapper; 13 | import android.view.LayoutInflater; 14 | 15 | 16 | /** 17 | *

Edge Effect Override

18 | * 19 | *

Enables you to override the color of the edge effects used in your application.

20 | * 21 | *

Can be applied with.

22 | * 26 | * 27 | * @see {@link android.widget.EdgeEffect} 28 | * 29 | * @author Simon Lightfoot 30 | * @since 30/10/2013 31 | * @version 1.4 32 | * 33 | */ 34 | public class EdgeEffectOverride 35 | { 36 | private static int mOverscrollEdge; 37 | private static int mOverscrollGlow; 38 | 39 | 40 | /** 41 | * Use this as you would create a new ContextWrapper 42 | * 43 | * @param base Context to wrap 44 | * @param color Color to apply to EdgeEffect drawables 45 | * 46 | * @return ContextWrapper with color applied to edge drawables 47 | */ 48 | public static Context createContextWrapper(Context base, int color) 49 | { 50 | if(!resolvePlatformDrawables(base)){ 51 | return base; 52 | } 53 | return new EdgeEffectContextWrapper(base, color); 54 | } 55 | 56 | 57 | /** 58 | * Use this as you would create a new ContextThemeWrapper 59 | * 60 | * @param base Context to wrap 61 | * @param themeResId Theme resource style id 62 | * @param color Color to apply to EdgeEffect drawables 63 | * 64 | * @return ContextThemeWrapper with color applied to edge drawables 65 | */ 66 | public static Context createContextThemeWrapper(Context base, int themeResId, int color) 67 | { 68 | if(!resolvePlatformDrawables(base)){ 69 | return base; 70 | } 71 | return new EdgeEffectContextThemeWrapper(base, themeResId, color); 72 | } 73 | 74 | /** 75 | * Used to resolve internal platform resources by name rather than id. 76 | */ 77 | private static boolean resolvePlatformDrawables(Context context) 78 | { 79 | Resources res = context.getResources(); 80 | if(mOverscrollEdge == 0){ 81 | mOverscrollEdge = res.getIdentifier("android:drawable/overscroll_edge", null, null); 82 | } 83 | if(mOverscrollGlow == 0){ 84 | mOverscrollGlow = res.getIdentifier("android:drawable/overscroll_glow", null, null); 85 | } 86 | return (mOverscrollEdge != 0 && mOverscrollGlow != 0); 87 | } 88 | 89 | 90 | public static class EdgeEffectResources extends Resources 91 | { 92 | private ColorMatrixColorFilter mColorMatrixFilter; 93 | 94 | 95 | private EdgeEffectResources(Resources res, int color) 96 | { 97 | super(res.getAssets(), res.getDisplayMetrics(), res.getConfiguration()); 98 | mColorMatrixFilter = new ColorMatrixColorFilter(new ColorMatrix(new float[ ] { 99 | 0, 0, 0, 0, Color.red(color), 100 | 0, 0, 0, 0, Color.green(color), 101 | 0, 0, 0, 0, Color.blue(color), 102 | 0, 0, 0, 1, 0, 103 | })); 104 | } 105 | 106 | @Override 107 | public Drawable getDrawable(int id) throws NotFoundException 108 | { 109 | Drawable drawable = super.getDrawable(id); 110 | if(drawable != null && (id == mOverscrollEdge || id == mOverscrollGlow)){ 111 | drawable.setColorFilter(mColorMatrixFilter); 112 | } 113 | return drawable; 114 | } 115 | 116 | @Override 117 | @TargetApi(VERSION_CODES.ICE_CREAM_SANDWICH_MR1) 118 | public Drawable getDrawableForDensity(int id, int density) throws NotFoundException 119 | { 120 | Drawable drawable = super.getDrawableForDensity(id, density); 121 | if(drawable != null && (id == mOverscrollEdge || id == mOverscrollGlow)){ 122 | drawable.setColorFilter(mColorMatrixFilter); 123 | } 124 | return drawable; 125 | } 126 | } 127 | 128 | public static class EdgeEffectContextWrapper extends ContextWrapper 129 | { 130 | private EdgeEffectResources mResources; 131 | private LayoutInflater mInflater; 132 | 133 | 134 | private EdgeEffectContextWrapper(Context base, int color) 135 | { 136 | super(base); 137 | mResources = new EdgeEffectResources(super.getResources(), color); 138 | } 139 | 140 | @Override 141 | public Resources getResources() 142 | { 143 | return mResources; 144 | } 145 | 146 | /** 147 | * Required so that the LayoutInflater uses this context to resolve resources. 148 | */ 149 | @Override 150 | public Object getSystemService(String name) 151 | { 152 | if(LAYOUT_INFLATER_SERVICE.equals(name)){ 153 | if(mInflater == null){ 154 | mInflater = LayoutInflater.from(getBaseContext()).cloneInContext(this); 155 | } 156 | return mInflater; 157 | } 158 | return super.getSystemService(name); 159 | } 160 | } 161 | 162 | public static class EdgeEffectContextThemeWrapper extends ContextThemeWrapper 163 | { 164 | private EdgeEffectResources mResources; 165 | 166 | 167 | private EdgeEffectContextThemeWrapper(Context base, int themeResId, int color) 168 | { 169 | super(base, themeResId); 170 | mResources = new EdgeEffectResources(super.getResources(), color); 171 | } 172 | 173 | @Override 174 | public Resources getResources() 175 | { 176 | return mResources; 177 | } 178 | } 179 | } 180 | -------------------------------------------------------------------------------- /Example.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/slightfoot/android-edge-effect-override/b5d93c65a1c089db83cbfff69b5fb164d5e02667/Example.png -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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