Android ExpandableListView同时显示多种不同类型字列表
MainActivity.java
public class MainActivity extends AppCompatActivity {
private ExpandableListView mExpandableListView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mExpandableListView = findViewById(R.id.expandablelistview);
List groupList = new ArrayList<>();
groupList.add(" 图形");
groupList.add(" 文字");
groupList.add(" MPAndroidChart");
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 2;
Bitmap bitmap = BitmapFactory.decodeFile("mnt/sdcard/test.png", options);
List> childList = new ArrayList<>();
List
DemoAdapter.java
public class DemoAdapter extends BaseExpandableListAdapter {
List mGroupList;
List> mChildList;
private LineChart mChartWeekHeart;
public DemoAdapter(List groupList, List> childList) {
mGroupList = groupList;
mChildList = childList;
}
@Override
public int getGroupCount() {//返回第一级List长度
return mGroupList.size();
}
@Override
public int getChildrenCount(int groupPosition) {//返回指定groupPosition的第二级List长度
return mChildList.get(groupPosition).size();
}
@Override
public Object getGroup(int groupPosition) {//返回一级List里的内容
return mGroupList.get(groupPosition);
}
@Override
public Object getChild(int groupPosition, int childPosition) {//返回二级List的内容
return mChildList.get(groupPosition).get(childPosition);
}
@Override
public long getGroupId(int groupPosition) {//返回一级View的id 保证id唯一
return groupPosition;
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return groupPosition + childPosition;
}
/**
* 指示在对基础数据进行更改时子ID和组ID是否稳定
*
* @return
*/
@Override
public boolean hasStableIds() {
return true;
}
/**
* 返回一级父View
*/
@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.support_simple_spinner_dropdown_item, parent, false);
((TextView) convertView).setText((String) getGroup(groupPosition));
return convertView;
}
/**
* 返回二级子View
*/
@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
if (groupPosition == 0) {
convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.view1, parent, false);
((ImageView) convertView).setImageBitmap((Bitmap) getChild(groupPosition, childPosition));
return convertView;
} else if (groupPosition == 1) {
convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.view2, parent, false);
((TextView) convertView).setText((String) getChild(groupPosition, childPosition));
return convertView;
} else if (groupPosition == 2) {
if (childPosition == 0) {
convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.support_simple_spinner_dropdown_item, parent, false);
((TextView) convertView).setGravity(Gravity.CENTER);
((TextView) convertView).setText((String) getChild(groupPosition, childPosition));
} else {
convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout, parent, false);
mChartWeekHeart = (LineChart) convertView;
setData();
((LineChart) convertView).invalidate();
}
return convertView;
}
return convertView;
}
private void setData() {
// グラフを表示する
mChartWeekHeart.getDescription().setEnabled(false); // グラフのタイトル
mChartWeekHeart.setTouchEnabled(false); // グラフへのタッチジェスチャー
mChartWeekHeart.setScaleEnabled(false); // グラフのスケーリング
mChartWeekHeart.setDragEnabled(false); // グラフのドラッギング
mChartWeekHeart.setPinchZoom(false); // グラフのピンチ/ズーム
mChartWeekHeart.setBackgroundColor(Color.TRANSPARENT); // グラフの背景色(透過)
mChartWeekHeart.getLegend().setEnabled(false);
List labels = new ArrayList();
labels.add(""); // 0
labels.add(""); // 1
labels.add(""); // 2
labels.add(""); // 3
labels.add("５"); // 4
labels.add(""); // 5
labels.add(""); // 6
labels.add("４"); // 7
labels.add(""); // 8
labels.add("３"); // 9
labels.add(""); // 10
labels.add("２"); // 11
labels.add(""); // 12
labels.add(""); // 13
labels.add("１"); // 14
labels.add(""); // 15
YAxis leftYAxis = mChartWeekHeart.getAxisLeft(); // Y軸(左)の取得
leftYAxis.setAxisMaximum(16f); // Y軸(左)の最大値
leftYAxis.setAxisMinimum(1f); // Y軸(左)の最小値
leftYAxis.setLabelCount(15); // Y軸(左)の目盛りの数
IndexAxisValueFormatter formatter = new IndexAxisValueFormatter(labels);
leftYAxis.setValueFormatter(formatter); // Y軸(左)の目盛りラベルを設定
leftYAxis.setDrawGridLines(false);
leftYAxis.setInverted(true); // Y軸の上下反転
mChartWeekHeart.getAxisRight().setEnabled(false); // Y軸(右)は表示しない
leftYAxis.removeAllLimitLines();
LimitLine line6 = new LimitLine(6f);
line6.setLineWidth(1f);
line6.enableDashedLine(25f, 25f, 0f);
line6.setLineColor(Color.BLACK);
leftYAxis.addLimitLine(line6);
LimitLine line8 = new LimitLine(8f);
line8.setLineWidth(1f);
line8.enableDashedLine(25f, 25f, 0f);
line8.setLineColor(Color.BLACK);
leftYAxis.addLimitLine(line8);
LimitLine line10 = new LimitLine(10f);
line10.setLineWidth(1f);
line10.enableDashedLine(25f, 25f, 0f);
line10.setLineColor(Color.BLACK);
leftYAxis.addLimitLine(line10);
LimitLine line12 = new LimitLine(12f);
line12.setLineWidth(1f);
line12.enableDashedLine(25f, 25f, 0f);
line12.setLineColor(Color.BLACK);
leftYAxis.addLimitLine(line12);
XAxis xAxis = mChartWeekHeart.getXAxis(); // X軸の設定
xAxis.setPosition(XAxis.XAxisPosition.BOTTOM); // X軸のラベルをグラフ下部に設定
xAxis.setAxisMaximum(8f); // X軸の最大値
xAxis.setAxisMinimum(0f); // X軸の最小値
xAxis.setDrawGridLines(false); // X軸の目盛り非表示
List labelsX = new ArrayList();
labelsX.add("");
labelsX.add("月");
labelsX.add("火");
labelsX.add("水");
labelsX.add("木");
labelsX.add("金");
labelsX.add("土");
labelsX.add("日");
xAxis.setValueFormatter(new IndexAxisValueFormatter(labelsX)); // X軸(下)の目盛りラベルを設定
xAxis.setLabelCount(8); // X軸(下)の目盛りの数
List values = new ArrayList();
for (int i = 0; i < 5; i++) {
values.add(new Entry(1f + i, 2, null, null));
}
List dataSets = new ArrayList();
if (values.size() > 0) {
LineDataSet set1 = new LineDataSet(values, ""); // グラフ下部のプロット説明
set1.setDrawIcons(false);
set1.setColor(Color.BLACK); // 折れ線の色
set1.setCircleColor(Color.BLACK); // グラフ上のプロットの色
set1.setLineWidth(1f);
set1.setCircleRadius(3f);
set1.setDrawCircleHole(false);
set1.setValueTextSize(0f);
set1.setDrawFilled(false); // 折れ線下部の塗りつぶし
set1.setFormLineWidth(1f);
float data[] = new float[2];
data[0] = 10f;
data[1] = 5f;
set1.setFormLineDashEffect(new DashPathEffect(data, 0f));
dataSets.add(set1);
}
LineData lineData = new LineData(dataSets);
mChartWeekHeart.setData(lineData);
mChartWeekHeart.getData().notifyDataChanged();
}
/**
* 指定位置的子项是否可选
*/
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return false;
}
}
布局文件
activity_main.xml
view1.xml
view2.xml
layout.xml
需要事先将MPAndroidChartv_3.1.0.jar包存入到工程的libs目录下面