├── README.md ├── build.gradle └── src ├── androidTest └── java │ └── com │ └── mkishan │ └── nestedScrollCompat │ └── view │ └── ApplicationTest.java └── main ├── AndroidManifest.xml ├── java └── com │ └── mkishan │ └── nestedScrollCompat │ └── view │ ├── CompatListView.java │ ├── MainActivity.java │ └── ViewFragment.java └── res ├── layout ├── activity_main.xml └── tab_fragment.xml ├── menu └── menu_main.xml ├── mipmap-hdpi └── ic_launcher.png ├── mipmap-mdpi └── ic_launcher.png ├── mipmap-xhdpi └── ic_launcher.png ├── mipmap-xxhdpi └── ic_launcher.png ├── values-w820dp └── dimens.xml └── values ├── dimens.xml ├── strings.xml └── styles.xml /README.md: -------------------------------------------------------------------------------- 1 | # nestedScrollCompat-listview 2 | This is Android's good old List View with Material Design properties, i.e it has nested scroll enabled, so that the Views/toolbars collapse on scrolling. 3 | 4 | **Very Important & Quick Setup Guidelines** 5 | As per Android's guidelines, the scrolling content which collapses the toolBar or View, i.e the view with the tag **app:layout_behavior="@string/appbar_scrolling_view_behavior"** should always be declared **above** & outside the **AppBar Layout** To use this feature, just copy the **CompatlistView** class in your project and use it in your Layout xmls or in Java classes accordingly 6 | 7 | In the example project above, the fragment has a listview which collapses the toolbar, hence the fragment is declared above appbarlayout. Fragment is declared with the property, **app:layout_behavior="@string/appbar_scrolling_view_behavior"**. 8 | 9 | **Directions for use** 10 | 11 | 1) Replace all your **listview** tags with **com.mkishan.nestedScrollCompat.view.CompatListView** tag and add the **app:layout_behavior="@string/appbar_scrolling_view_behavior"** to the parent layout. 12 | 13 | 2) All default listview properties are applicable to this custom list view in XML as well as Java. 14 | 15 | ![Settings](https://cloud.githubusercontent.com/assets/1867155/11167811/c66a8dd6-8b98-11e5-8f8d-589290d5946a.gif) 16 | ![Settings](https://cloud.githubusercontent.com/assets/1867155/11167852/9d60ad1a-8b9a-11e5-8b15-50659ea06635.png) 17 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 23 5 | buildToolsVersion "23.0.0" 6 | defaultConfig { 7 | applicationId 'com.mkishan.nestedScrollCompat.view' 8 | minSdkVersion 15 9 | targetSdkVersion 23 10 | versionCode 1 11 | versionName "1.0" 12 | } 13 | buildTypes { 14 | release { 15 | minifyEnabled false 16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | dependencies { 20 | compile fileTree(dir: 'libs', include: ['*.jar']) 21 | compile 'com.android.support:appcompat-v7:23.0.0' 22 | compile 'com.android.support:design:23.0.0' 23 | } 24 | productFlavors { 25 | } 26 | } 27 | 28 | dependencies { 29 | compile fileTree(dir: 'libs', include: ['*.jar']) 30 | compile 'com.android.support:appcompat-v7:23.0.0' 31 | } 32 | -------------------------------------------------------------------------------- /src/androidTest/java/com/mkishan/nestedScrollCompat/view/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.mkishan.nestedScrollCompat.view; 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 | } -------------------------------------------------------------------------------- /src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /src/main/java/com/mkishan/nestedScrollCompat/view/CompatListView.java: -------------------------------------------------------------------------------- 1 | package com.mkishan.nestedScrollCompat.view; 2 | 3 | import android.annotation.TargetApi; 4 | import android.content.Context; 5 | import android.os.Build; 6 | import android.support.v4.view.MotionEventCompat; 7 | import android.support.v4.view.NestedScrollingChild; 8 | import android.support.v4.view.NestedScrollingChildHelper; 9 | import android.support.v4.view.ViewCompat; 10 | import android.util.AttributeSet; 11 | import android.util.Log; 12 | import android.view.MotionEvent; 13 | import android.widget.ListView; 14 | 15 | /** 16 | * Created by mkishan on 9/27/2015. 17 | */ 18 | public class CompatListView extends ListView implements NestedScrollingChild { 19 | private NestedScrollingChildHelper helper; 20 | private int mLastY; 21 | private final int[] mScrollOffset = new int[2]; 22 | private final int[] mScrollConsumed = new int[2]; 23 | private int mNestedOffsetY; 24 | public CompatListView(Context context) { 25 | super(context); 26 | helper = new NestedScrollingChildHelper(this); 27 | setNestedScrollingEnabled(true); 28 | } 29 | 30 | public CompatListView(Context context, AttributeSet attrs) { 31 | super(context, attrs); 32 | helper = new NestedScrollingChildHelper(this); 33 | setNestedScrollingEnabled(true); 34 | } 35 | 36 | public CompatListView(Context context, AttributeSet attrs, int defStyleAttr) { 37 | super(context, attrs, defStyleAttr); 38 | helper = new NestedScrollingChildHelper(this); 39 | setNestedScrollingEnabled(true); 40 | } 41 | 42 | @TargetApi(Build.VERSION_CODES.LOLLIPOP) 43 | public CompatListView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 44 | super(context, attrs, defStyleAttr, defStyleRes); 45 | helper = new NestedScrollingChildHelper(this); 46 | setNestedScrollingEnabled(true); 47 | } 48 | 49 | @Override 50 | public void setNestedScrollingEnabled(boolean enabled) { 51 | helper.setNestedScrollingEnabled(enabled); 52 | } 53 | 54 | @Override 55 | public boolean startNestedScroll(int axes) { 56 | return helper.startNestedScroll(axes); 57 | } 58 | 59 | @Override 60 | public void stopNestedScroll() { 61 | helper.stopNestedScroll(); 62 | } 63 | 64 | @Override 65 | public boolean hasNestedScrollingParent() { 66 | return helper.hasNestedScrollingParent(); 67 | } 68 | 69 | @Override 70 | public boolean dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow) { 71 | return helper.dispatchNestedScroll(dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, offsetInWindow); 72 | } 73 | 74 | @Override 75 | public boolean dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow) { 76 | return helper.dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow); 77 | } 78 | 79 | @Override 80 | public boolean dispatchNestedFling(float velocityX, float velocityY, boolean consumed) { 81 | return helper.dispatchNestedFling(velocityX, velocityY, consumed); 82 | } 83 | 84 | @Override 85 | public boolean dispatchNestedPreFling(float velocityX, float velocityY) { 86 | return helper.dispatchNestedPreFling(velocityX, velocityY); 87 | } 88 | 89 | // @Override 90 | // public void onNestedScroll(View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) { 91 | // super.onNestedScroll(target, dxConsumed, dyUnconsumed, dxUnconsumed, dyConsumed); 92 | // } 93 | 94 | @Override public boolean onTouchEvent(MotionEvent event) { 95 | boolean rs = false; 96 | final int action = MotionEventCompat.getActionMasked(event); 97 | if (action == MotionEvent.ACTION_DOWN) { 98 | mNestedOffsetY = 0; 99 | } 100 | int y = (int) event.getY(); 101 | event.offsetLocation(0,mNestedOffsetY); 102 | switch (action) { 103 | case MotionEvent.ACTION_DOWN: 104 | rs = super.onTouchEvent(event); 105 | mLastY = y; 106 | break; 107 | case MotionEvent.ACTION_MOVE: 108 | 109 | int dy = mLastY - y; 110 | int oldY = getScrollY(); 111 | startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL); 112 | 113 | if (dispatchNestedPreScroll(0, dy, mScrollConsumed, mScrollOffset)) { 114 | dy -= mScrollConsumed[1]; 115 | event.offsetLocation(0,-mScrollOffset[1]); 116 | mNestedOffsetY += mScrollOffset[1]; 117 | } 118 | rs = super.onTouchEvent(event); 119 | mLastY = y - mScrollOffset[1]; 120 | if (dy < 0) { 121 | int newScrollY = Math.max(0, oldY+dy); 122 | dy -= newScrollY - oldY; 123 | if (dispatchNestedScroll(0, newScrollY - dy, 0, dy, mScrollOffset)) { 124 | event.offsetLocation(0,mScrollOffset[1]); 125 | mNestedOffsetY += mScrollOffset[1]; 126 | mLastY -= mScrollOffset[1]; 127 | } 128 | } 129 | Log.d("dy", dy + ""); 130 | Log.d("oldy", oldY+""); 131 | Log.d("mlasty", mLastY+""); 132 | stopNestedScroll(); 133 | break; 134 | case MotionEvent.ACTION_UP: 135 | case MotionEvent.ACTION_CANCEL: 136 | rs = super.onTouchEvent(event); 137 | // mLastY = 0; 138 | // mNestedOffsetY = 0; 139 | stopNestedScroll(); 140 | break; 141 | } 142 | return rs; 143 | } 144 | } 145 | -------------------------------------------------------------------------------- /src/main/java/com/mkishan/nestedScrollCompat/view/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.mkishan.nestedScrollCompat.view; 2 | 3 | import android.os.Bundle; 4 | import android.support.v7.app.AppCompatActivity; 5 | import android.support.v7.widget.Toolbar; 6 | import android.view.Menu; 7 | import android.view.MenuItem; 8 | 9 | public class MainActivity extends AppCompatActivity { 10 | 11 | @Override 12 | protected void onCreate(Bundle savedInstanceState) { 13 | super.onCreate(savedInstanceState); 14 | setContentView(R.layout.activity_main); 15 | Toolbar toolBar = (Toolbar)findViewById(R.id.toolbar); 16 | toolBar.setTitle("ToolBar"); 17 | toolBar.setTitleTextColor(getResources().getColor(android.R.color.white)); 18 | setSupportActionBar(toolBar); 19 | 20 | // android.app.FragmentTransaction trans = getFragmentManager().beginTransaction(); 21 | // trans.replace(R.id.nestedScrollVw, new ViewFragment()); 22 | // trans.commit(); 23 | } 24 | 25 | @Override 26 | public boolean onCreateOptionsMenu(Menu menu) { 27 | // Inflate the menu; this adds items to the action bar if it is present. 28 | getMenuInflater().inflate(R.menu.menu_main, menu); 29 | return true; 30 | } 31 | 32 | @Override 33 | public boolean onOptionsItemSelected(MenuItem item) { 34 | // Handle action bar item clicks here. The action bar will 35 | // automatically handle clicks on the Home/Up button, so long 36 | // as you specify a parent activity in AndroidManifest.xml. 37 | int id = item.getItemId(); 38 | 39 | //noinspection SimplifiableIfStatement 40 | if (id == R.id.action_settings) { 41 | return true; 42 | } 43 | 44 | return super.onOptionsItemSelected(item); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /src/main/java/com/mkishan/nestedScrollCompat/view/ViewFragment.java: -------------------------------------------------------------------------------- 1 | package com.mkishan.nestedScrollCompat.view; 2 | 3 | import android.os.Bundle; 4 | import android.view.LayoutInflater; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | import android.widget.ArrayAdapter; 8 | 9 | import java.util.ArrayList; 10 | 11 | /** 12 | * A placeholder fragment containing a simple view. 13 | */ 14 | public class ViewFragment extends android.app.Fragment { 15 | 16 | public ViewFragment() { 17 | 18 | } 19 | 20 | @Override 21 | public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 22 | View rootView = inflater.inflate(R.layout.tab_fragment, container, false); 23 | CompatListView listView = (CompatListView) rootView.findViewById(R.id.listView); 24 | ArrayList list = new ArrayList<>(); 25 | for (int i = 0; i < 20; i++) { 26 | list.add(i + ""); 27 | } 28 | ArrayAdapter adapter = new ArrayAdapter(getActivity(), 29 | android.R.layout.simple_list_item_1, android.R.id.text1, list); 30 | listView.setAdapter(adapter); 31 | return rootView; 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 8 | 9 | 18 | 19 | 24 | 25 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /src/main/res/layout/tab_fragment.xml: -------------------------------------------------------------------------------- 1 | 12 | 13 | 14 | 23 | 24 | -------------------------------------------------------------------------------- /src/main/res/menu/menu_main.xml: -------------------------------------------------------------------------------- 1 | 4 | 6 | 7 | -------------------------------------------------------------------------------- /src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Kishan-Cj/nestedScrollCompat-listview/53ba0c8c02d69090a8173697580d2beee74febed/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Kishan-Cj/nestedScrollCompat-listview/53ba0c8c02d69090a8173697580d2beee74febed/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Kishan-Cj/nestedScrollCompat-listview/53ba0c8c02d69090a8173697580d2beee74febed/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Kishan-Cj/nestedScrollCompat-listview/53ba0c8c02d69090a8173697580d2beee74febed/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Compat ListView 3 | 4 | Hello world! 5 | Settings 6 | 7 | -------------------------------------------------------------------------------- /src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | 13 | --------------------------------------------------------------------------------