├── lib
├── .gitignore
├── src
│ └── main
│ │ ├── res
│ │ └── values
│ │ │ └── strings.xml
│ │ ├── AndroidManifest.xml
│ │ └── java
│ │ └── com
│ │ └── tobiasrohloff
│ │ └── view
│ │ └── NestedScrollWebView.java
├── proguard-rules.pro
└── build.gradle
├── settings.gradle
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── .gitignore
├── LICENSE
├── gradle.properties
├── gradlew.bat
├── README.md
└── gradlew
/lib/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 |
--------------------------------------------------------------------------------
/settings.gradle:
--------------------------------------------------------------------------------
1 | include ':lib'
2 |
--------------------------------------------------------------------------------
/lib/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 |
85 | Copyright (C) 2016 Tobias Rohloff 86 | 87 | Licensed under the Apache License, Version 2.0 (the "License"); 88 | you may not use this file except in compliance with the License. 89 | You may obtain a copy of the License at 90 | 91 | http://www.apache.org/licenses/LICENSE-2.0 92 | 93 | Unless required by applicable law or agreed to in writing, software 94 | distributed under the License is distributed on an "AS IS" BASIS, 95 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 96 | See the License for the specific language governing permissions and 97 | limitations under the License. 98 |99 | 100 | [1]: http://developer.android.com/reference/android/webkit/WebView.html 101 | [2]: http://developer.android.com/reference/android/support/v4/view/NestedScrollingChild.html 102 | [3]: http://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.html 103 | [4]: http://developer.android.com/reference/android/support/design/widget/AppBarLayout.html 104 | [5]: http://developer.android.com/tools/support-library/features.html#design 105 | [6]: http://developer.android.com/reference/android/support/v4/widget/NestedScrollView.html 106 | [7]: https://android.googlesource.com/platform/frameworks/support/+/refs/heads/master/v4/java/android/support/v4/widget/NestedScrollView.java 107 | [8]: https://github.com/llfer2006/NestLayout/blob/master/library/src/main/java/com/llf/nestlayout/library/NestWebView.java 108 | -------------------------------------------------------------------------------- /lib/src/main/java/com/tobiasrohloff/view/NestedScrollWebView.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2016 Tobias Rohloff 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.tobiasrohloff.view; 18 | 19 | import android.content.Context; 20 | import android.util.AttributeSet; 21 | import android.view.MotionEvent; 22 | import android.webkit.WebView; 23 | 24 | import androidx.core.view.MotionEventCompat; 25 | import androidx.core.view.NestedScrollingChild; 26 | import androidx.core.view.NestedScrollingChildHelper; 27 | import androidx.core.view.ViewCompat; 28 | 29 | public class NestedScrollWebView extends WebView implements NestedScrollingChild { 30 | 31 | public static final String TAG = NestedScrollWebView.class.getSimpleName(); 32 | 33 | private int mLastMotionY; 34 | 35 | private final int[] mScrollOffset = new int[2]; 36 | private final int[] mScrollConsumed = new int[2]; 37 | 38 | private int mNestedYOffset; 39 | 40 | private NestedScrollingChildHelper mChildHelper; 41 | 42 | public NestedScrollWebView(Context context) { 43 | super(context); 44 | init(); 45 | } 46 | 47 | public NestedScrollWebView(Context context, AttributeSet attrs) { 48 | super(context, attrs); 49 | init(); 50 | } 51 | 52 | public NestedScrollWebView(Context context, AttributeSet attrs, int defStyleAttr) { 53 | super(context, attrs, defStyleAttr); 54 | init(); 55 | } 56 | 57 | private void init() { 58 | mChildHelper = new NestedScrollingChildHelper(this); 59 | setNestedScrollingEnabled(true); 60 | } 61 | 62 | @Override 63 | public boolean onTouchEvent(MotionEvent event) { 64 | boolean result = false; 65 | 66 | MotionEvent trackedEvent = MotionEvent.obtain(event); 67 | 68 | final int action = MotionEventCompat.getActionMasked(event); 69 | 70 | if (action == MotionEvent.ACTION_DOWN) { 71 | mNestedYOffset = 0; 72 | } 73 | 74 | int y = (int) event.getY(); 75 | 76 | event.offsetLocation(0, mNestedYOffset); 77 | 78 | switch (action) { 79 | case MotionEvent.ACTION_DOWN: 80 | mLastMotionY = y; 81 | startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL); 82 | result = super.onTouchEvent(event); 83 | break; 84 | case MotionEvent.ACTION_MOVE: 85 | int deltaY = mLastMotionY - y; 86 | 87 | if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) { 88 | deltaY -= mScrollConsumed[1]; 89 | trackedEvent.offsetLocation(0, mScrollOffset[1]); 90 | mNestedYOffset += mScrollOffset[1]; 91 | } 92 | 93 | mLastMotionY = y - mScrollOffset[1]; 94 | 95 | int oldY = getScrollY(); 96 | int newScrollY = Math.max(0, oldY + deltaY); 97 | int dyConsumed = newScrollY - oldY; 98 | int dyUnconsumed = deltaY - dyConsumed; 99 | 100 | if (dispatchNestedScroll(0, dyConsumed, 0, dyUnconsumed, mScrollOffset)) { 101 | mLastMotionY -= mScrollOffset[1]; 102 | trackedEvent.offsetLocation(0, mScrollOffset[1]); 103 | mNestedYOffset += mScrollOffset[1]; 104 | } 105 | 106 | result = super.onTouchEvent(trackedEvent); 107 | trackedEvent.recycle(); 108 | break; 109 | case MotionEvent.ACTION_POINTER_DOWN: 110 | case MotionEvent.ACTION_POINTER_UP: 111 | case MotionEvent.ACTION_UP: 112 | case MotionEvent.ACTION_CANCEL: 113 | stopNestedScroll(); 114 | result = super.onTouchEvent(event); 115 | break; 116 | } 117 | return result; 118 | } 119 | 120 | // NestedScrollingChild 121 | 122 | @Override 123 | public void setNestedScrollingEnabled(boolean enabled) { 124 | mChildHelper.setNestedScrollingEnabled(enabled); 125 | } 126 | 127 | @Override 128 | public boolean isNestedScrollingEnabled() { 129 | return mChildHelper.isNestedScrollingEnabled(); 130 | } 131 | 132 | @Override 133 | public boolean startNestedScroll(int axes) { 134 | return mChildHelper.startNestedScroll(axes); 135 | } 136 | 137 | @Override 138 | public void stopNestedScroll() { 139 | mChildHelper.stopNestedScroll(); 140 | } 141 | 142 | @Override 143 | public boolean hasNestedScrollingParent() { 144 | return mChildHelper.hasNestedScrollingParent(); 145 | } 146 | 147 | @Override 148 | public boolean dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow) { 149 | return mChildHelper.dispatchNestedScroll(dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, offsetInWindow); 150 | } 151 | 152 | @Override 153 | public boolean dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow) { 154 | return mChildHelper.dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow); 155 | } 156 | 157 | @Override 158 | public boolean dispatchNestedFling(float velocityX, float velocityY, boolean consumed) { 159 | return mChildHelper.dispatchNestedFling(velocityX, velocityY, consumed); 160 | } 161 | 162 | @Override 163 | public boolean dispatchNestedPreFling(float velocityX, float velocityY) { 164 | return mChildHelper.dispatchNestedPreFling(velocityX, velocityY); 165 | } 166 | 167 | } 168 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | --------------------------------------------------------------------------------