Repository: w4lle/PullDownView Branch: master Commit: 8a677a930938 Files: 32 Total size: 48.5 KB Directory structure: gitextract_tvmv6xnq/ ├── .gitignore ├── PullDownView.iml ├── README.md ├── app/ │ ├── .gitignore │ ├── app.iml │ ├── build.gradle │ ├── proguard-rules.pro │ └── src/ │ ├── androidTest/ │ │ └── java/ │ │ └── com/ │ │ └── w4lle/ │ │ └── pulldownview/ │ │ └── ApplicationTest.java │ └── main/ │ ├── AndroidManifest.xml │ ├── java/ │ │ └── com/ │ │ └── w4lle/ │ │ └── pulldownview/ │ │ └── MainActivity.java │ └── res/ │ ├── layout/ │ │ └── activity_main.xml │ ├── menu/ │ │ └── menu_main.xml │ ├── values/ │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── values-w820dp/ │ └── dimens.xml ├── build.gradle ├── gradle/ │ └── wrapper/ │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── gradlew ├── gradlew.bat ├── pull-down-layout/ │ ├── .gitignore │ ├── build.gradle │ ├── proguard-rules.pro │ ├── pull-down-layout.iml │ └── src/ │ ├── androidTest/ │ │ └── java/ │ │ └── com/ │ │ └── w4lle/ │ │ └── library/ │ │ └── ApplicationTest.java │ └── main/ │ ├── AndroidManifest.xml │ ├── java/ │ │ └── com/ │ │ └── w4lle/ │ │ └── library/ │ │ └── PullDownView.java │ └── res/ │ └── values/ │ ├── attrs.xml │ └── strings.xml └── settings.gradle ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitignore ================================================ .gradle /local.properties /.idea/workspace.xml /.idea/libraries .idea .DS_Store /build /captures ================================================ FILE: PullDownView.iml ================================================ ================================================ FILE: README.md ================================================ # PullDownView -- ## Usage ### Gradle > compile 'com.w4lle.library:pull-down-layout:1.0.2' ### XML ``` ``` ### JAVA ``` pullDownView.setOnPullChangeListerner(new PullDownView.OnPullChangeListerner() { @Override public void onPullDown() { Toast.makeText(MainActivity.this, "onPullDown", Toast.LENGTH_SHORT).show(); } @Override public void onPullUp() { Toast.makeText(MainActivity.this, "onPullUp", Toast.LENGTH_SHORT).show(); } }); ``` ## Custom ``` pull_down_height 下拉触发阀值 DEFAULT 50 pull_up_height 上拉触发阀值 DEFAULT 50 is_change_speed 底图上推滑动速度是否区别速度 DEFAULT false ``` ## ChangeLog v1.0.2 add styleable v1.0.1 add OnPullChangeListener ## License /* * Copyright (C) 2015 w4lle * * 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. */ ================================================ FILE: app/.gitignore ================================================ /build ================================================ FILE: app/app.iml ================================================ ================================================ FILE: app/build.gradle ================================================ apply plugin: 'com.android.application' android { compileSdkVersion 22 buildToolsVersion "22.0.1" defaultConfig { applicationId "com.w4lle.pulldownview" minSdkVersion 14 targetSdkVersion 22 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:22.2.1' compile project(':pull-down-layout') } ================================================ FILE: app/proguard-rules.pro ================================================ # Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in /Users/wanglinglong/Documents/Android_Env/android-sdk-macosx/android-sdk-macosx/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} ================================================ FILE: app/src/androidTest/java/com/w4lle/pulldownview/ApplicationTest.java ================================================ package com.w4lle.pulldownview; import android.app.Application; import android.test.ApplicationTestCase; /** * Testing Fundamentals */ public class ApplicationTest extends ApplicationTestCase { public ApplicationTest() { super(Application.class); } } ================================================ FILE: app/src/main/AndroidManifest.xml ================================================ ================================================ FILE: app/src/main/java/com/w4lle/pulldownview/MainActivity.java ================================================ package com.w4lle.pulldownview; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.TextView; import android.widget.Toast; import com.w4lle.library.PullDownView; public class MainActivity extends AppCompatActivity implements View.OnClickListener{ public static final String TAG = MainActivity.class.getSimpleName(); private PullDownView pullDownView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); findViewById(R.id.image).setOnClickListener(this); findViewById(R.id.text7).setOnClickListener(this); findViewById(R.id.text8).setOnClickListener(this); findViewById(R.id.text9).setOnClickListener(this); findViewById(R.id.text10).setOnClickListener(this); findViewById(R.id.text11).setOnClickListener(this); pullDownView = (PullDownView) findViewById(R.id.layout_pull); pullDownView.setOnPullChangeListerner(new PullDownView.OnPullChangeListerner() { @Override public void onPullDown() { Toast.makeText(MainActivity.this, "onPullDown", Toast.LENGTH_SHORT).show(); } @Override public void onPullUp() { Toast.makeText(MainActivity.this, "onPullUp", Toast.LENGTH_SHORT).show(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override public void onClick(View view) { if (view instanceof TextView) { Toast.makeText(this, ((TextView) view).getText().toString(), Toast.LENGTH_SHORT).show(); } if (view.getId() == R.id.image) { Toast.makeText(this, "image onClick" ,Toast.LENGTH_SHORT).show(); } } } ================================================ FILE: app/src/main/res/layout/activity_main.xml ================================================ ================================================ FILE: app/src/main/res/menu/menu_main.xml ================================================ ================================================ FILE: app/src/main/res/values/dimens.xml ================================================ 16dp 16dp ================================================ FILE: app/src/main/res/values/strings.xml ================================================ PullDownView Hello world! Settings ================================================ FILE: app/src/main/res/values/styles.xml ================================================ ================================================ FILE: app/src/main/res/values-w820dp/dimens.xml ================================================ 64dp ================================================ FILE: build.gradle ================================================ // Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { repositories { jcenter() } dependencies { classpath 'com.android.tools.build:gradle:1.0.0' classpath 'com.android.tools.build:gradle:1.2.3' classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2' classpath 'com.github.dcendents:android-maven-plugin:1.2' // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { jcenter() } } ================================================ FILE: gradle/wrapper/gradle-wrapper.properties ================================================ #Thu Sep 10 11:14:31 CST 2015 distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists zipStoreBase=GRADLE_USER_HOME zipStorePath=wrapper/dists distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip ================================================ FILE: gradle.properties ================================================ # Project-wide Gradle settings. # IDE (e.g. Android Studio) users: # Gradle settings configured through the IDE *will override* # any settings specified in this file. # For more details on how to configure your build environment visit # http://www.gradle.org/docs/current/userguide/build_environment.html # Specifies the JVM arguments used for the daemon process. # The setting is particularly useful for tweaking memory settings. # Default value: -Xmx10248m -XX:MaxPermSize=256m # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 # When configured, Gradle will run in incubating parallel mode. # This option should only be used with decoupled projects. More details, visit # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects # org.gradle.parallel=true ================================================ FILE: gradlew ================================================ #!/usr/bin/env bash ############################################################################## ## ## Gradle start up script for UN*X ## ############################################################################## # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. DEFAULT_JVM_OPTS="" APP_NAME="Gradle" APP_BASE_NAME=`basename "$0"` # Use the maximum available, or set MAX_FD != -1 to use that value. MAX_FD="maximum" warn ( ) { echo "$*" } die ( ) { echo echo "$*" echo exit 1 } # OS specific support (must be 'true' or 'false'). cygwin=false msys=false darwin=false case "`uname`" in CYGWIN* ) cygwin=true ;; Darwin* ) darwin=true ;; MINGW* ) msys=true ;; esac # For Cygwin, ensure paths are in UNIX format before anything is touched. if $cygwin ; then [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` fi # Attempt to set APP_HOME # Resolve links: $0 may be a link PRG="$0" # Need this for relative symlinks. while [ -h "$PRG" ] ; do ls=`ls -ld "$PRG"` link=`expr "$ls" : '.*-> \(.*\)$'` if expr "$link" : '/.*' > /dev/null; then PRG="$link" else PRG=`dirname "$PRG"`"/$link" fi done SAVED="`pwd`" cd "`dirname \"$PRG\"`/" >&- APP_HOME="`pwd -P`" cd "$SAVED" >&- CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar # Determine the Java command to use to start the JVM. if [ -n "$JAVA_HOME" ] ; then if [ -x "$JAVA_HOME/jre/sh/java" ] ; then # IBM's JDK on AIX uses strange locations for the executables JAVACMD="$JAVA_HOME/jre/sh/java" else JAVACMD="$JAVA_HOME/bin/java" fi if [ ! -x "$JAVACMD" ] ; then die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi else JAVACMD="java" which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi # Increase the maximum file descriptors if we can. if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then MAX_FD_LIMIT=`ulimit -H -n` if [ $? -eq 0 ] ; then if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then MAX_FD="$MAX_FD_LIMIT" fi ulimit -n $MAX_FD if [ $? -ne 0 ] ; then warn "Could not set maximum file descriptor limit: $MAX_FD" fi else warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" fi fi # For Darwin, add options to specify how the application appears in the dock if $darwin; then GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" fi # For Cygwin, switch paths to Windows format before running java if $cygwin ; then APP_HOME=`cygpath --path --mixed "$APP_HOME"` CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` # We build the pattern for arguments to be converted via cygpath ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` SEP="" for dir in $ROOTDIRSRAW ; do ROOTDIRS="$ROOTDIRS$SEP$dir" SEP="|" done OURCYGPATTERN="(^($ROOTDIRS))" # Add a user-defined pattern to the cygpath arguments if [ "$GRADLE_CYGPATTERN" != "" ] ; then OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" fi # Now convert the arguments - kludge to limit ourselves to /bin/sh i=0 for arg in "$@" ; do CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` else eval `echo args$i`="\"$arg\"" fi i=$((i+1)) done case $i in (0) set -- ;; (1) set -- "$args0" ;; (2) set -- "$args0" "$args1" ;; (3) set -- "$args0" "$args1" "$args2" ;; (4) set -- "$args0" "$args1" "$args2" "$args3" ;; (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; esac fi # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules function splitJvmOpts() { JVM_OPTS=("$@") } eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" ================================================ FILE: gradlew.bat ================================================ @if "%DEBUG%" == "" @echo off @rem ########################################################################## @rem @rem Gradle startup script for Windows @rem @rem ########################################################################## @rem Set local scope for the variables with windows NT shell if "%OS%"=="Windows_NT" setlocal @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. set DEFAULT_JVM_OPTS= set DIRNAME=%~dp0 if "%DIRNAME%" == "" set DIRNAME=. set APP_BASE_NAME=%~n0 set APP_HOME=%DIRNAME% @rem Find java.exe if defined JAVA_HOME goto findJavaFromJavaHome set JAVA_EXE=java.exe %JAVA_EXE% -version >NUL 2>&1 if "%ERRORLEVEL%" == "0" goto init echo. echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :findJavaFromJavaHome set JAVA_HOME=%JAVA_HOME:"=% set JAVA_EXE=%JAVA_HOME%/bin/java.exe if exist "%JAVA_EXE%" goto init echo. echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :init @rem Get command-line arguments, handling Windowz variants if not "%OS%" == "Windows_NT" goto win9xME_args if "%@eval[2+2]" == "4" goto 4NT_args :win9xME_args @rem Slurp the command line arguments. set CMD_LINE_ARGS= set _SKIP=2 :win9xME_args_slurp if "x%~1" == "x" goto execute set CMD_LINE_ARGS=%* goto execute :4NT_args @rem Get arguments from the 4NT Shell from JP Software set CMD_LINE_ARGS=%$ :execute @rem Setup the command line set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar @rem Execute Gradle "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% :end @rem End local scope for the variables with windows NT shell if "%ERRORLEVEL%"=="0" goto mainEnd :fail rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of rem the _cmd.exe /c_ return code! if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 exit /b 1 :mainEnd if "%OS%"=="Windows_NT" endlocal :omega ================================================ FILE: pull-down-layout/.gitignore ================================================ /build ================================================ FILE: pull-down-layout/build.gradle ================================================ apply plugin: 'com.android.library' apply plugin: 'com.github.dcendents.android-maven' apply plugin: "com.jfrog.bintray" android { compileSdkVersion 22 buildToolsVersion "22.0.1" defaultConfig { minSdkVersion 14 targetSdkVersion 22 versionCode 1 versionName "1.0.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:22.2.0' } def siteUrl = 'https://github.com/w4lle/PullDownView' def gitUrl = 'git@github.com:w4lle/PullDownView.git' group = 'com.w4lle.library' version = '1.0.2' install { repositories.mavenInstaller { // This generates POM.xml with proper parameters pom { project { packaging 'aar' // Add your description here name 'pull-down-layout' description = 'An Android liabrary Pull Down show TopView' url siteUrl // Set your license licenses { license { name 'The Apache Software License, Version 2.0' url 'http://www.apache.org/licenses/LICENSE-2.0.txt' } } developers { developer { id 'w4lle' name 'walle' email '564959390@qq.com' } } scm { connection gitUrl developerConnection gitUrl url siteUrl } } } } } task sourcesJar(type: Jar) { from android.sourceSets.main.java.srcDirs classifier = 'sources' } task javadoc(type: Javadoc) { source = android.sourceSets.main.java.srcDirs classpath += project.files(android.getBootClasspath().join(File.pathSeparator)) } task javadocJar(type: Jar, dependsOn: javadoc) { classifier = 'javadoc' from javadoc.destinationDir } artifacts { archives javadocJar archives sourcesJar } Properties properties = new Properties() properties.load(project.rootProject.file('local.properties').newDataInputStream()) // https://github.com/bintray/gradle-bintray-plugin bintray { user = properties.getProperty("bintray.user") key = properties.getProperty("bintray.apikey") configurations = ['archives'] pkg { repo = "maven" // it is the name that appears in bintray when logged name = "pull-down-layout" websiteUrl = siteUrl vcsUrl = gitUrl licenses = ["Apache-2.0"] publish = true version { /* gpg { sign = true //Determines whether to GPG sign the files. The default is false passphrase = properties.getProperty("bintray.gpg.password") //Optional. The passphrase for GPG signing' }*/ // mavenCentralSync { // sync = true //Optional (true by default). Determines whether to sync the version to Maven Central. // user = properties.getProperty("bintray.oss.user") //OSS user token // password = properties.getProperty("bintray.oss.password") //OSS user password // close = '1' //Optional property. By default the staging repository is closed and artifacts are released to Maven Central. You can optionally turn this behaviour off (by puting 0 as value) and release the version manually. // } } } } ================================================ FILE: pull-down-layout/proguard-rules.pro ================================================ # Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in /Users/wanglinglong/Documents/Android_Env/android-sdk-macosx/android-sdk-macosx/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} ================================================ FILE: pull-down-layout/pull-down-layout.iml ================================================ ================================================ FILE: pull-down-layout/src/androidTest/java/com/w4lle/library/ApplicationTest.java ================================================ package com.w4lle.library; import android.app.Application; import android.test.ApplicationTestCase; /** * Testing Fundamentals */ public class ApplicationTest extends ApplicationTestCase { public ApplicationTest() { super(Application.class); } } ================================================ FILE: pull-down-layout/src/main/AndroidManifest.xml ================================================ ================================================ FILE: pull-down-layout/src/main/java/com/w4lle/library/PullDownView.java ================================================ package com.w4lle.library; import android.animation.ValueAnimator; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Canvas; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.view.MotionEvent; import android.view.View; import android.view.ViewConfiguration; import android.view.ViewGroup; import android.view.WindowManager; import android.view.animation.AccelerateDecelerateInterpolator; import android.widget.ScrollView; import com.w4lle.pull_down_view.R; /** * Created by w4lle on 15-9-9. * Copyright (c) 2015 Boohee, Inc. All rights reserved. */ public class PullDownView extends ScrollView { public static final String TAG = "PullDownLayout"; private final float DEFAULT_PULL_DOWN_HEIGHT = 50; private final float DEFAULT_PULL_UP_HEIGHT = 50; private int touchSlop; private int screenHeight; //布局的父布局，ScrollView内部只能有一个根ViewGroup，就是此View private ViewGroup parentView; //头部view private View topView; private int topViewHeight; //显示的内容View private View containerView; private float origY; private float distanceY; private boolean isShowTopView; private int mCurrentOffset = 0;//当前右侧滚条顶点的偏移量。ScrollView右侧是有滚动条的，当下拉时， //滚动条向上滑，当向下滑动时，滚动条向下滑动。 private boolean isonce; private MarginLayoutParams layoutParams; private int oldTopMargin; //是否是一次连续的MOVE，默认为false private boolean isTouchOne; //是否是在最顶部 private boolean isTop; private ValueAnimator valueAnimator; private OnPullChangeListerner onPullChangeListerner; private boolean isChangeSpeed; private float pullDownHeight; private float pullUpHeight; public PullDownView(Context context) { this(context, null); } public PullDownView(Context context, AttributeSet attrs) { this(context, attrs, 0); } public PullDownView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); init(context, attrs, defStyleAttr); } private void init(Context context, AttributeSet attrs, int defStyleAttr) { WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE); DisplayMetrics metrics = new DisplayMetrics(); wm.getDefaultDisplay().getMetrics(metrics); screenHeight = metrics.heightPixels; topViewHeight = screenHeight; touchSlop = ViewConfiguration.get(context).getScaledTouchSlop(); getAttrs(context, attrs, defStyleAttr); } private void getAttrs(Context context, AttributeSet attrs, int defStyleAttr) { TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.pullDownLayout, defStyleAttr, 0); isChangeSpeed = typedArray.getBoolean(R.styleable.pullDownLayout_is_change_speed, false); pullDownHeight = typedArray.getDimension(R.styleable.pullDownLayout_pull_down_height, DEFAULT_PULL_DOWN_HEIGHT); pullUpHeight = typedArray.getDimension(R.styleable.pullDownLayout_pull_up_height, DEFAULT_PULL_UP_HEIGHT); typedArray.recycle(); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); if (!isonce) { parentView = (ViewGroup) this.getChildAt(0); topView = parentView.getChildAt(0); containerView = parentView.getChildAt(1); topView.getLayoutParams().height = topViewHeight; isonce = true; layoutParams = (MarginLayoutParams) containerView.getLayoutParams(); oldTopMargin = layoutParams.topMargin; } } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); } @Override public boolean onTouchEvent(MotionEvent ev) { switch (ev.getAction()) { case MotionEvent.ACTION_DOWN: break; case MotionEvent.ACTION_MOVE: if (!isTouchOne) { origY = ev.getRawY(); isTouchOne = true; isTop = getScrollY() == 0 ? true : false; } distanceY = ev.getRawY() - origY; if (distanceY < touchSlop && isShowTopView) { return true; } if (distanceY < touchSlop) { return super.onTouchEvent(ev); } if (isTop && distanceY > 0 && !isShowTopView) { moveDown((int) distanceY / 2); } break; case MotionEvent.ACTION_UP: isTouchOne = false; if (isTop && distanceY > pullDownHeight && !isShowTopView) { pullDown(); } else if (distanceY > 0 && distanceY < pullUpHeight && !isShowTopView) { pullUp(); }else if (distanceY < 0 && isShowTopView) { pullUp(); if (onPullChangeListerner != null) { onPullChangeListerner.onPullUp(); } return true; } break; } return super.onTouchEvent(ev); } private void pullDown() { animate(layoutParams.topMargin, screenHeight); isShowTopView = true; if (onPullChangeListerner != null) { onPullChangeListerner.onPullDown(); } } private void pullUp() { animate(layoutParams.topMargin, oldTopMargin); isShowTopView = false; } private void moveDown(int distance) { layoutParams.topMargin = distance + oldTopMargin; containerView.setLayoutParams(layoutParams); } private void animate(int start, int end) { valueAnimator = ValueAnimator.ofInt(start, end); valueAnimator.setDuration(300); valueAnimator.setInterpolator(new AccelerateDecelerateInterpolator()); valueAnimator.start(); valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { layoutParams.topMargin = (int) valueAnimator.getAnimatedValue(); containerView.setLayoutParams(layoutParams); } }); } @Override protected void onScrollChanged(int l, int t, int oldl, int oldt) { super.onScrollChanged(l, t, oldl, oldt); mCurrentOffset = t;//右边滑动标签相对于顶端的偏移量 if (t <= topViewHeight && t >= 0 && !isShowTopView && isChangeSpeed) { topView.setTranslationY(t / 2);//使得TopView滑动的速度小于滚轮滚动的速度 } } public void setOnPullChangeListerner(OnPullChangeListerner onPullChangeListerner) { this.onPullChangeListerner = onPullChangeListerner; } public interface OnPullChangeListerner{ void onPullDown(); void onPullUp(); } } ================================================ FILE: pull-down-layout/src/main/res/values/attrs.xml ================================================ ================================================ FILE: pull-down-layout/src/main/res/values/strings.xml ================================================ pull_down_view ================================================ FILE: settings.gradle ================================================ include ':app', 'pull-down-layout'