Repository: kailaisi/WheelSelect
Branch: master
Commit: 17235f9fdb9d
Files: 35
Total size: 33.8 KB
Directory structure:
gitextract_7td3kegg/
├── .gitignore
├── .idea/
│ ├── .name
│ ├── compiler.xml
│ ├── copyright/
│ │ └── profiles_settings.xml
│ ├── encodings.xml
│ ├── gradle.xml
│ ├── misc.xml
│ ├── modules.xml
│ ├── runConfigurations.xml
│ └── vcs.xml
├── README.md
├── WheelSelect.iml
├── app/
│ ├── .gitignore
│ ├── app.iml
│ ├── build.gradle
│ ├── proguard-rules.pro
│ └── src/
│ ├── androidTest/
│ │ └── java/
│ │ └── com/
│ │ └── android/
│ │ └── wheelselect/
│ │ └── ApplicationTest.java
│ ├── main/
│ │ ├── AndroidManifest.xml
│ │ ├── java/
│ │ │ └── com/
│ │ │ └── android/
│ │ │ └── wheelselect/
│ │ │ ├── MainActivity.java
│ │ │ └── MyAdapter.java
│ │ └── res/
│ │ ├── layout/
│ │ │ ├── activity_main.xml
│ │ │ └── view_age_item.xml
│ │ ├── values/
│ │ │ ├── colors.xml
│ │ │ ├── dimens.xml
│ │ │ ├── strings.xml
│ │ │ └── styles.xml
│ │ └── values-w820dp/
│ │ └── dimens.xml
│ └── test/
│ └── java/
│ └── com/
│ └── android/
│ └── wheelselect/
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle/
│ └── wrapper/
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradle.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
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FILE CONTENTS
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FILE: .gitignore
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.gradle
/local.properties
/.idea/workspace.xml
/.idea/libraries
.DS_Store
/build
/captures
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FILE: .idea/.name
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WheelSelect
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FILE: .idea/compiler.xml
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FILE: .idea/copyright/profiles_settings.xml
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FILE: .idea/encodings.xml
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FILE: .idea/gradle.xml
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FILE: .idea/misc.xml
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1.7
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FILE: .idea/modules.xml
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FILE: .idea/runConfigurations.xml
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FILE: .idea/vcs.xml
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FILE: README.md
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# WheelSelect
通过recyclerview实现的滚动选择年龄
效果图如下：
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FILE: WheelSelect.iml
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FILE: app/.gitignore
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/build
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FILE: app/app.iml
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generateDebugAndroidTestSourcesgenerateDebugSources
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FILE: app/build.gradle
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apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.2"
defaultConfig {
applicationId "com.android.wheelselect"
minSdkVersion 8
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:recyclerview-v7:23.1.1'
}
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FILE: app/proguard-rules.pro
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# Add project specific ProGuard rules here.
# By default, the flags in this file are appended to flags specified
# in D:\Java\assdk/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 *;
#}
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FILE: app/src/androidTest/java/com/android/wheelselect/ApplicationTest.java
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package com.android.wheelselect;
import android.app.Application;
import android.test.ApplicationTestCase;
/**
* Testing Fundamentals
*/
public class ApplicationTest extends ApplicationTestCase {
public ApplicationTest() {
super(Application.class);
}
}
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FILE: app/src/main/AndroidManifest.xml
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FILE: app/src/main/java/com/android/wheelselect/MainActivity.java
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package com.android.wheelselect;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
private static final int START_NUM =0 ;
private static final int END_NUM = 90;
private MyAdapter mAdapter;
private android.widget.TextView tvage;
private android.support.v7.widget.RecyclerView recyclerView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
initDatas();
}
/**
* 初始化数据
*/
private void initDatas() {
LinearLayoutManager manager=new LinearLayoutManager(this,LinearLayoutManager.HORIZONTAL,false);
recyclerView.setLayoutManager(manager);
mAdapter=new MyAdapter(this,START_NUM,END_NUM);
recyclerView.setAdapter(mAdapter);
recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
super.onScrollStateChanged(recyclerView, newState);
if(newState==RecyclerView.SCROLL_STATE_IDLE){
mAdapter.highlightItem(getMiddlePosition());
//将位置移动到中间位置
((LinearLayoutManager)recyclerView.getLayoutManager()).scrollToPositionWithOffset(getScrollPosition(),0);
System.out.println(getScrollPosition()+"");
}
}
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
tvage.setText(String.valueOf(getMiddlePosition() + START_NUM));
}
});
mAdapter.highlightItem(getMiddlePosition());
}
/**
* 获取中间位置的position
* @return
*/
private int getMiddlePosition() {
return getScrollPosition()+(mAdapter.ITEM_NUM/2);
}
/**
* 获取滑动值, 滑动偏移 / 每个格子宽度
*
* @return 当前值
*/
private int getScrollPosition() {
return (int) (((double) recyclerView.computeHorizontalScrollOffset()
/ (double) mAdapter.getItemWidth())+0.5f);
}
/**
* 初始化控件
*/
private void initViews() {
this.recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
this.tvage = (TextView) findViewById(R.id.tv_age);
}
}
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FILE: app/src/main/java/com/android/wheelselect/MyAdapter.java
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package com.android.wheelselect;
import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* Created by wu on 2015/12/17.
*/
public class MyAdapter extends RecyclerView.Adapter {
private Context mContext;
/**
* 起始年龄
*/
private int startNum;
/**
* 终止年龄
*/
private int endNum;
/**
* 显示的数据个数
*/
public int ITEM_NUM = 7;
/**
* 当前选中位置，高亮显示
*/
private int mHighlight = -1;
public MyAdapter(Context context, int startNum, int endNum) {
mContext = context;
this.startNum = startNum;
this.endNum = endNum;
}
@Override
public AgeItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(mContext).inflate(R.layout.view_age_item, parent, false);
//设置宽度
ViewGroup.LayoutParams params = view.getLayoutParams();
params.width =(int)getItemWidth();
return new AgeItemViewHolder(view);
}
@Override
public void onBindViewHolder(AgeItemViewHolder holder, int position) {
holder.mTextView.setText(String.valueOf(startNum + position));
if (isSelect(position)) {
holder.mTextView.setTextSize(30);
holder.mTextView.setTextColor(mContext.getResources().getColor(R.color.selected));
} else {
holder.mTextView.setTextSize(20);
holder.mTextView.setTextColor(mContext.getResources().getColor(R.color.unselected));
}
}
/**
*
* 高亮中心, 更新前后位置
* @param position 在list中的位置
*/
public void highlightItem(int position) {
mHighlight = position;
int offset = ITEM_NUM / 2;
for (int i = position - offset; i <= position + offset; ++i)
notifyItemChanged(i);
}
/**
* 判断某个条目是否是选中状态（居中状态）
*
* @param position
* @return
*/
private boolean isSelect(int position) {
return mHighlight == position;
}
@Override
public int getItemCount() {
return endNum - startNum + 1;
}
/**
* 获取每一个条目的宽度
*
* @return
*/
public float getItemWidth() {
DisplayMetrics displayMetrics = mContext.getResources().getDisplayMetrics();
return displayMetrics.widthPixels / ITEM_NUM;
}
/**
* ViewHolder类
*/
public class AgeItemViewHolder extends RecyclerView.ViewHolder {
private TextView mTextView;
public AgeItemViewHolder(View itemView) {
super(itemView);
mTextView = (TextView) itemView.findViewById(R.id.tv_item_age);
mTextView.setTag(this);
}
public TextView getmTextView() {
return mTextView;
}
}
}
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FILE: app/src/main/res/layout/activity_main.xml
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FILE: app/src/main/res/layout/view_age_item.xml
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FILE: app/src/main/res/values/colors.xml
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#3F51B5#303F9F#FF4081#88ff0000#88000000
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FILE: app/src/main/res/values/dimens.xml
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16dp16dp
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FILE: app/src/main/res/values/strings.xml
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WheelSelect
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FILE: app/src/main/res/values/styles.xml
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FILE: app/src/main/res/values-w820dp/dimens.xml
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64dp
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FILE: app/src/test/java/com/android/wheelselect/ExampleUnitTest.java
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package com.android.wheelselect;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* To work on unit tests, switch the Test Artifact in the Build Variants view.
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() throws Exception {
assertEquals(4, 2 + 2);
}
}
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FILE: build.gradle
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// 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:1.3.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
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FILE: gradle/wrapper/gradle-wrapper.properties
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#Thu Dec 17 15:35:33 CST 2015
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
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FILE: gradle.properties
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# 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
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FILE: gradlew
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#!/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 "$@"
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FILE: gradlew.bat
================================================
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windowz variants
if not "%OS%" == "Windows_NT" goto win9xME_args
if "%@eval[2+2]" == "4" goto 4NT_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
goto execute
:4NT_args
@rem Get arguments from the 4NT Shell from JP Software
set CMD_LINE_ARGS=%$
: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
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FILE: settings.gradle
================================================
include ':app'