├── .gitignore ├── GIF.gif ├── README.md ├── app ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── test │ │ └── com │ │ └── expandablelistviewdemo │ │ └── ApplicationTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── test │ │ │ └── com │ │ │ └── expandablelistviewdemo │ │ │ ├── CustomExpandListview.java │ │ │ ├── MainActivity.java │ │ │ └── MyAdapter.java │ └── res │ │ ├── layout │ │ ├── activity_main.xml │ │ ├── indictor_layout.xml │ │ ├── item_layout.xml │ │ └── parent_layout.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── test │ └── com │ └── expandablelistviewdemo │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the ART/Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # Gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # Android Studio Navigation editor temp files 30 | .navigation/ 31 | 32 | # Android Studio captures folder 33 | captures/ 34 | 35 | # Intellij 36 | *.iml 37 | .idea/workspace.xml 38 | .idea/tasks.xml 39 | .idea/gradle.xml 40 | .idea/dictionaries 41 | .idea/libraries 42 | 43 | # Keystore files 44 | *.jks 45 | 46 | # External native build folder generated in Android Studio 2.2 and later 47 | .externalNativeBuild 48 | 49 | # Google Services (e.g. APIs or Firebase) 50 | google-services.json 51 | 52 | # Freeline 53 | freeline.py 54 | freeline/ 55 | freeline_project_description.json 56 | -------------------------------------------------------------------------------- /GIF.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/GIF.gif -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 自定义ExpandableListView，仿照qq列表，实现分类悬浮提示 2 | 3 | ![image|300x400](https://github.com/SolveBugs/ExpandableListviewDemo/blob/master/GIF.gif) -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 26 5 | buildToolsVersion "26.0.2" 6 | 7 | defaultConfig { 8 | applicationId "test.com.expandablelistviewdemo" 9 | minSdkVersion 15 10 | targetSdkVersion 24 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | implementation fileTree(dir: 'libs', include: ['*.jar']) 24 | testImplementation 'junit:junit:4.12' 25 | implementation 'com.android.support:appcompat-v7:24.+' 26 | } 27 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/test/com/expandablelistviewdemo/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package test.com.expandablelistviewdemo; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/test/com/expandablelistviewdemo/CustomExpandListview.java: -------------------------------------------------------------------------------- 1 | package test.com.expandablelistviewdemo; 2 | 3 | import android.content.Context; 4 | import android.graphics.Canvas; 5 | import android.util.AttributeSet; 6 | import android.view.MotionEvent; 7 | import android.view.View; 8 | import android.view.ViewGroup; 9 | import android.widget.AbsListView; 10 | import android.widget.ExpandableListAdapter; 11 | import android.widget.ExpandableListView; 12 | 13 | /** 14 | * Created by zhen on 2016/9/6. 15 | */ 16 | public class CustomExpandListview extends ExpandableListView implements 17 | AbsListView.OnScrollListener, ExpandableListView.OnGroupClickListener { 18 | public CustomExpandListview(Context context, AttributeSet attrs, int defStyle) { 19 | super(context, attrs, defStyle); 20 | registerListener(); 21 | } 22 | 23 | public CustomExpandListview(Context context, AttributeSet attrs) { 24 | super(context, attrs); 25 | registerListener(); 26 | } 27 | 28 | public CustomExpandListview(Context context) { 29 | super(context); 30 | registerListener(); 31 | } 32 | 33 | /** 34 | * Adapter 接口 . 列表必须实现此接口 . 35 | */ 36 | public interface HeaderAdapter { 37 | public static final int PINNED_HEADER_GONE = 0; 38 | public static final int PINNED_HEADER_VISIBLE = 1; 39 | public static final int PINNED_HEADER_PUSHED_UP = 2; 40 | 41 | /** 42 | * 获取 Header 的状态 43 | * 44 | * @param groupPosition 45 | * @param childPosition 46 | * @return PINNED_HEADER_GONE, PINNED_HEADER_VISIBLE, PINNED_HEADER_PUSHED_UP 47 | * 其中之一 48 | */ 49 | int getHeaderState(int groupPosition, int childPosition); 50 | 51 | /** 52 | * @param header 53 | * @param groupPosition 54 | * @param childPosition 55 | * @param alpha 56 | */ 57 | void configureHeader(View header, int groupPosition, 58 | int childPosition, int alpha); 59 | 60 | } 61 | 62 | private static final int MAX_ALPHA = 255; 63 | 64 | private HeaderAdapter mAdapter; 65 | 66 | /** 67 | * 用于在列表头显示的 View,mHeaderViewVisible 为 true 才可见 68 | */ 69 | private View mHeaderView; 70 | 71 | /** 72 | * 列表头是否可见 73 | */ 74 | private boolean mHeaderViewVisible; 75 | 76 | private int mHeaderViewWidth; 77 | 78 | private int mHeaderViewHeight; 79 | 80 | public void setHeaderView(View view) { 81 | mHeaderView = view; 82 | AbsListView.LayoutParams lp = new AbsListView.LayoutParams( 83 | ViewGroup.LayoutParams.MATCH_PARENT, 84 | ViewGroup.LayoutParams.WRAP_CONTENT); 85 | view.setLayoutParams(lp); 86 | 87 | if (mHeaderView != null) { 88 | setFadingEdgeLength(0); 89 | } 90 | 91 | requestLayout(); 92 | } 93 | 94 | 95 | private void registerListener() { 96 | setOnScrollListener(this); 97 | setOnGroupClickListener(this); 98 | } 99 | 100 | /** 101 | * 点击 HeaderView 触发的事件 102 | */ 103 | private void headerViewClick() { 104 | long packedPosition = getExpandableListPosition(this 105 | .getFirstVisiblePosition()); 106 | int groupPosition = ExpandableListView 107 | .getPackedPositionGroup(packedPosition); 108 | this.collapseGroup(groupPosition); 109 | this.setSelectedGroup(groupPosition); 110 | } 111 | 112 | private float mDownX; 113 | private float mDownY; 114 | 115 | /** 116 | * 如果 HeaderView 是可见的 , 此函数用于判断是否点击了 HeaderView, 并对做相应的处理 , 因为 HeaderView 117 | * 是画上去的 , 所以设置事件监听是无效的 , 只有自行控制 . 118 | */ 119 | @Override 120 | public boolean onTouchEvent(MotionEvent ev) { 121 | if (mHeaderViewVisible) { 122 | switch (ev.getAction()) { 123 | case MotionEvent.ACTION_DOWN: 124 | mDownX = ev.getX(); 125 | mDownY = ev.getY(); 126 | if (mDownX <= mHeaderViewWidth && mDownY <= mHeaderViewHeight) { 127 | return true; 128 | } 129 | break; 130 | case MotionEvent.ACTION_UP: 131 | float x = ev.getX(); 132 | float y = ev.getY(); 133 | float offsetX = Math.abs(x - mDownX); 134 | float offsetY = Math.abs(y - mDownY); 135 | // 如果 HeaderView 是可见的 , 点击在 HeaderView 内 , 那么触发 headerClick() 136 | if (x <= mHeaderViewWidth && y <= mHeaderViewHeight 137 | && offsetX <= mHeaderViewWidth 138 | && offsetY <= mHeaderViewHeight) { 139 | if (mHeaderView != null) { 140 | headerViewClick(); 141 | } 142 | 143 | return true; 144 | } 145 | break; 146 | default: 147 | break; 148 | } 149 | } 150 | 151 | return super.onTouchEvent(ev); 152 | 153 | } 154 | 155 | @Override 156 | public void setAdapter(ExpandableListAdapter adapter) { 157 | super.setAdapter(adapter); 158 | mAdapter = (HeaderAdapter) adapter; 159 | } 160 | 161 | /** 162 | * 点击了 Group 触发的事件 , 要根据根据当前点击 Group 的状态来 163 | */ 164 | @Override 165 | public boolean onGroupClick(ExpandableListView parent, View v, 166 | int groupPosition, long id) { 167 | if (isGroupExpanded(groupPosition)) { 168 | parent.collapseGroup(groupPosition); 169 | } else { 170 | parent.expandGroup(groupPosition); 171 | } 172 | 173 | return true; 174 | 175 | } 176 | 177 | @Override 178 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 179 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); 180 | if (mHeaderView != null) { 181 | measureChild(mHeaderView, widthMeasureSpec, heightMeasureSpec); 182 | mHeaderViewWidth = mHeaderView.getMeasuredWidth(); 183 | mHeaderViewHeight = mHeaderView.getMeasuredHeight(); 184 | } 185 | } 186 | 187 | private int mOldState = -1; 188 | 189 | @Override 190 | protected void onLayout(boolean changed, int left, int top, int right, 191 | int bottom) { 192 | super.onLayout(changed, left, top, right, bottom); 193 | final long flatPostion = getExpandableListPosition(getFirstVisiblePosition()); 194 | final int groupPos = ExpandableListView 195 | .getPackedPositionGroup(flatPostion); 196 | final int childPos = ExpandableListView 197 | .getPackedPositionChild(flatPostion); 198 | int state = mAdapter.getHeaderState(groupPos, childPos); 199 | if (mHeaderView != null && mAdapter != null && state != mOldState) { 200 | mOldState = state; 201 | mHeaderView.layout(0, 0, mHeaderViewWidth, mHeaderViewHeight); 202 | } 203 | 204 | configureHeaderView(groupPos, childPos); 205 | } 206 | 207 | public void configureHeaderView(int groupPosition, int childPosition) { 208 | if (mHeaderView == null || mAdapter == null 209 | || ((ExpandableListAdapter) mAdapter).getGroupCount() == 0) { 210 | return; 211 | } 212 | 213 | int state = mAdapter.getHeaderState(groupPosition, childPosition); 214 | 215 | switch (state) { 216 | case HeaderAdapter.PINNED_HEADER_GONE: { 217 | mHeaderViewVisible = false; 218 | break; 219 | } 220 | 221 | case HeaderAdapter.PINNED_HEADER_VISIBLE: { 222 | mAdapter.configureHeader(mHeaderView, groupPosition, 223 | childPosition, MAX_ALPHA); 224 | 225 | if (mHeaderView.getTop() != 0) { 226 | mHeaderView.layout(0, 0, mHeaderViewWidth, mHeaderViewHeight); 227 | } 228 | 229 | mHeaderViewVisible = true; 230 | break; 231 | } 232 | 233 | case HeaderAdapter.PINNED_HEADER_PUSHED_UP: { 234 | View firstView = getChildAt(0); 235 | int bottom = firstView.getBottom(); 236 | 237 | // intitemHeight = firstView.getHeight(); 238 | int headerHeight = mHeaderView.getHeight(); 239 | 240 | int y; 241 | 242 | int alpha; 243 | 244 | if (bottom < headerHeight) { 245 | y = (bottom - headerHeight); 246 | alpha = MAX_ALPHA * (headerHeight + y) / headerHeight; 247 | } else { 248 | y = 0; 249 | alpha = MAX_ALPHA; 250 | } 251 | 252 | mAdapter.configureHeader(mHeaderView, groupPosition, 253 | childPosition, alpha); 254 | 255 | if (mHeaderView.getTop() != y) { 256 | mHeaderView.layout(0, y, mHeaderViewWidth, mHeaderViewHeight 257 | + y); 258 | } 259 | 260 | mHeaderViewVisible = true; 261 | break; 262 | } 263 | } 264 | } 265 | 266 | @Override 267 | /** 268 | * 列表界面更新时调用该方法(如滚动时) 269 | */ 270 | protected void dispatchDraw(Canvas canvas) { 271 | super.dispatchDraw(canvas); 272 | if (mHeaderViewVisible) { 273 | // 分组栏是直接绘制到界面中，而不是加入到ViewGroup中 274 | drawChild(canvas, mHeaderView, getDrawingTime()); 275 | } 276 | } 277 | 278 | @Override 279 | public void onScroll(AbsListView view, int firstVisibleItem, 280 | int visibleItemCount, int totalItemCount) { 281 | final long flatPos = getExpandableListPosition(firstVisibleItem); 282 | int groupPosition = ExpandableListView.getPackedPositionGroup(flatPos); 283 | int childPosition = ExpandableListView.getPackedPositionChild(flatPos); 284 | 285 | configureHeaderView(groupPosition, childPosition); 286 | } 287 | 288 | @Override 289 | public void onScrollStateChanged(AbsListView view, int scrollState) { 290 | } 291 | } 292 | -------------------------------------------------------------------------------- /app/src/main/java/test/com/expandablelistviewdemo/MainActivity.java: -------------------------------------------------------------------------------- 1 | package test.com.expandablelistviewdemo; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.view.View; 6 | import android.widget.ExpandableListView; 7 | import android.widget.Toast; 8 | 9 | import java.util.ArrayList; 10 | import java.util.HashMap; 11 | import java.util.List; 12 | import java.util.Map; 13 | 14 | public class MainActivity extends AppCompatActivity { 15 | 16 | 17 | private CustomExpandListview listview; 18 | private MyAdapter myAdapter; 19 | 20 | private String[] parentSource = {"分类1", "分类2", "分类3", "分类4", "分类5"}; 21 | private ArrayList parent = new ArrayList<>(); 22 | private Map> datas = new HashMap<>(); 23 | 24 | @Override 25 | protected void onCreate(Bundle savedInstanceState) { 26 | super.onCreate(savedInstanceState); 27 | setContentView(R.layout.activity_main); 28 | 29 | listview = (CustomExpandListview) findViewById(R.id.listView); 30 | 31 | //模拟数据 32 | for (int i = 0; i < parentSource.length; i++) { 33 | parent.add(parentSource[i]); 34 | } 35 | 36 | for (int i = 0; i < parent.size(); i++) { 37 | String str = parent.get(i); 38 | ArrayList temp = new ArrayList<>(); 39 | for (int j = 0; j < 20; j++) { 40 | temp.add("" + j); 41 | } 42 | datas.put(str, temp); 43 | } 44 | 45 | 46 | myAdapter = new MyAdapter(this, parent, datas, listview); 47 | listview.setAdapter(myAdapter); 48 | listview.setHeaderView(getLayoutInflater().inflate( 49 | R.layout.indictor_layout, listview, false)); 50 | 51 | listview.setOnChildClickListener(new ExpandableListView.OnChildClickListener() { 52 | @Override 53 | public boolean onChildClick(ExpandableListView expandableListView, View view, int i, int i1, long l) { 54 | Toast.makeText(MainActivity.this, "点击了第" + (i + 1) + " 类的第" + i1 + "项", Toast.LENGTH_SHORT).show(); 55 | return true; 56 | } 57 | }); 58 | 59 | 60 | // 默认全部展开 61 | for (int i = 0; i < parent.size(); i++) { 62 | listview.expandGroup(i); 63 | } 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /app/src/main/java/test/com/expandablelistviewdemo/MyAdapter.java: -------------------------------------------------------------------------------- 1 | package test.com.expandablelistviewdemo; 2 | 3 | import android.content.Context; 4 | import android.view.LayoutInflater; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | import android.widget.BaseExpandableListAdapter; 8 | import android.widget.TextView; 9 | 10 | import java.util.ArrayList; 11 | import java.util.HashMap; 12 | import java.util.Map; 13 | 14 | /** 15 | * Created by zhen on 2016/9/6. 16 | */ 17 | public class MyAdapter extends BaseExpandableListAdapter implements CustomExpandListview.HeaderAdapter { 18 | 19 | private ArrayList parent; 20 | private Map> datas = new HashMap<>(); 21 | private Context context; 22 | private CustomExpandListview listview; 23 | 24 | public MyAdapter(Context context, ArrayList parent, Map> datas, CustomExpandListview listview) { 25 | this.context = context; 26 | this.parent = parent; 27 | this.datas = datas; 28 | this.listview = listview; 29 | } 30 | 31 | @Override 32 | public int getGroupCount() { 33 | int temp = 0; 34 | if (parent != null) { 35 | temp = parent.size(); 36 | } 37 | return temp; 38 | } 39 | 40 | @Override 41 | public int getChildrenCount(int i) { 42 | int size = 0; 43 | if (datas != null && parent != null && parent.size() > 0) { 44 | String key = parent.get(i); 45 | size = datas.get(key).size(); 46 | } 47 | return size; 48 | } 49 | 50 | @Override 51 | public Object getGroup(int i) { 52 | return parent.get(i); 53 | } 54 | 55 | @Override 56 | public Object getChild(int i, int i1) { 57 | String key = parent.get(i); 58 | return (datas.get(key).get(i1)); 59 | } 60 | 61 | @Override 62 | public long getGroupId(int i) { 63 | return i; 64 | } 65 | 66 | @Override 67 | public long getChildId(int i, int i1) { 68 | return i1; 69 | } 70 | 71 | @Override 72 | public boolean hasStableIds() { 73 | return true; 74 | } 75 | 76 | @Override 77 | public View getGroupView(int i, boolean b, View view, ViewGroup viewGroup) { 78 | if (view == null) { 79 | LayoutInflater inflater = (LayoutInflater) context 80 | .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 81 | view = inflater.inflate(R.layout.parent_layout, null); 82 | } 83 | TextView tv = (TextView) view 84 | .findViewById(R.id.tv_parent); 85 | tv.setText(parent.get(i)); 86 | return view; 87 | } 88 | 89 | @Override 90 | public View getChildView(int i, int i1, boolean b, View view, ViewGroup viewGroup) { 91 | 92 | PlaceHolder holder; 93 | if (view == null) { 94 | holder = new PlaceHolder(); 95 | view = LayoutInflater.from(context).inflate(R.layout.item_layout, null); 96 | holder.tv_title = (TextView) view.findViewById(R.id.tv_item); 97 | view.setTag(holder); 98 | } else { 99 | holder = (PlaceHolder) view.getTag(); 100 | } 101 | String key = parent.get(i); 102 | String s = datas.get(key).get(i1); 103 | holder.tv_title.setText(s); 104 | return view; 105 | } 106 | 107 | @Override 108 | public boolean isChildSelectable(int i, int i1) { 109 | return true; 110 | } 111 | 112 | /** 113 | * 根据当前的groupPosition和childPosition判断指示布局是哪种状态（隐藏、可见、正在向上推） 114 | * 115 | * @param groupPosition 116 | * @param childPosition 117 | * @return 118 | */ 119 | @Override 120 | public int getHeaderState(int groupPosition, int childPosition) { 121 | final int childCount = getChildrenCount(groupPosition); 122 | if (childPosition == childCount - 1) { 123 | return PINNED_HEADER_PUSHED_UP; 124 | } else if (childPosition == -1 125 | && !listview.isGroupExpanded(groupPosition)) { 126 | return PINNED_HEADER_GONE; 127 | } else { 128 | return PINNED_HEADER_VISIBLE; 129 | } 130 | } 131 | 132 | /** 133 | * 给指示布局设置内容 134 | * 135 | * @param header 136 | * @param groupPosition 137 | * @param childPosition 138 | * @param alpha 139 | */ 140 | @Override 141 | public void configureHeader(View header, int groupPosition, int childPosition, int alpha) { 142 | if (groupPosition > -1) { 143 | ((TextView) header.findViewById(R.id.tv_indictor)) 144 | .setText(parent.get(groupPosition)); 145 | } 146 | } 147 | 148 | 149 | /** 150 | * 子布局 151 | */ 152 | private class PlaceHolder { 153 | private TextView tv_title; 154 | } 155 | } 156 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/layout/indictor_layout.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 14 | -------------------------------------------------------------------------------- /app/src/main/res/layout/item_layout.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/layout/parent_layout.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 14 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | ExpandableListviewDemo 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/test/com/expandablelistviewdemo/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package test.com.expandablelistviewdemo; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * To work on unit tests, switch the Test Artifact in the Build Variants view. 9 | */ 10 | public class ExampleUnitTest { 11 | @Test 12 | public void addition_isCorrect() throws Exception { 13 | assertEquals(4, 2 + 2); 14 | } 15 | } -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:3.0.1' 9 | 10 | // NOTE: Do not place your application dependencies here; they belong 11 | // in the individual module build.gradle files 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | jcenter() 18 | } 19 | } 20 | 21 | task clean(type: Delete) { 22 | delete rootProject.buildDir 23 | } 24 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SolveBugs/ExpandableListviewDemo/b4b8a46a0535c421f72a830d4ae8ba7d22844e3a/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Nov 24 11:02:02 CST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | --------------------------------------------------------------------------------