android listview分页显示,android ListView的分段显示、分页显示（附源码）

Java代码 packagecom.yangguangfu.listview;importandroid.app.ListActivity;importandroid.os.Bundle;importandroid.util.Log;importandroid.view.Gravity;importandroid.view.View;importandroid.view.ViewGroup;im.

Lilian Lin

373人浏览 · 2021-05-25 20:56:53

Lilian Lin · 2021-05-25 20:56:53 发布

Java代码

packagecom.yangguangfu.listview;

importandroid.app.ListActivity;

importandroid.os.Bundle;

importandroid.util.Log;

importandroid.view.Gravity;

importandroid.view.View;

importandroid.view.ViewGroup;

importandroid.widget.AbsListView;

importandroid.widget.BaseAdapter;

importandroid.widget.LinearLayout;

importandroid.widget.ListView;

importandroid.widget.ProgressBar;

importandroid.widget.TextView;

importandroid.widget.AbsListView.OnScrollListener;

importandroid.widget.LinearLayout.LayoutParams;

publicclassMainActivityextendsListActivityimplementsOnScrollListener {

privatestaticfinalString TAG ="MainActivity";

privatelistViewAdapter adapter =newlistViewAdapter();

privateintlastItem =0;

privateLayoutParams WClayoutParams =newLinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);

privateLayoutParams FFlayoutParams =newLinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.FILL_PARENT);

privateProgressBar progressBar;

protectedvoidonCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Log.i(TAG,"onCreate(Bundle savedInstanceState)");

//线性布局

LinearLayout layout =newLinearLayout(this);

//设置布局水平方向

layout.setOrientation(LinearLayout.HORIZONTAL);

//进度条

progressBar =newProgressBar(this);

//进度条显示位置

progressBar.setPadding(0,0,15,0);

layout.addView(progressBar, WClayoutParams);

TextView textView =newTextView(this);

textView.setText("加载中...");

textView.setGravity(Gravity.CENTER_VERTICAL);

layout.addView(textView, FFlayoutParams);

layout.setGravity(Gravity.CENTER);

LinearLayout loadingLayout =newLinearLayout(this);

loadingLayout.addView(layout, WClayoutParams);

loadingLayout.setGravity(Gravity.CENTER);

//得到一个ListView用来显示条目

ListView listView = getListView();

//添加到脚页显示

listView.addFooterView(loadingLayout);

registerForContextMenu(listView);

setListAdapter(adapter);

listView.setOnScrollListener(this);

}

publicvoidonScroll(AbsListView v,intfirstVisibleItem,

intvisibleItemCount,inttotalItemCount) {

lastItem = firstVisibleItem + visibleItemCount -1;

System.out.println("lastItem:"+ lastItem);

Log.i(TAG,"lastItem:"+ lastItem);

}

publicvoidonScrollStateChanged(AbsListView v,intstate) {

if(lastItem == adapter.count

&& state == OnScrollListener.SCROLL_STATE_IDLE) {

adapter.count +=10;

adapter.notifyDataSetChanged();

Log.i(TAG,"lastItem:"+ lastItem);

}

classlistViewAdapterextendsBaseAdapter {

intcount =10;

publicintgetCount() {

Log.i(TAG,"count:"+ count);

returncount;

}

publicObject getItem(intpos) {

Log.i(TAG,"pos:"+ pos);

returnpos;

}

publiclonggetItemId(intpos) {

returnpos;

}

publicView getView(intpos, View v, ViewGroup p) {

TextView view =newTextView(MainActivity.this);

view.setText("阿福播放器 "+ pos);

Log.i(TAG,"entry: "+ pos);

view.setTextSize(20f);

view.setHeight(80);

returnview;

}

package com.yangguangfu.listview;

import android.app.ListActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.AbsListView;

import android.widget.BaseAdapter;

import android.widget.LinearLayout;

import android.widget.ListView;

import android.widget.ProgressBar;

import android.widget.TextView;

import android.widget.AbsListView.OnScrollListener;

import android.widget.LinearLayout.LayoutParams;

public class MainActivity extends ListActivity implements OnScrollListener {

private static final String TAG = "MainActivity";

private listViewAdapter adapter = new listViewAdapter();

private int lastItem = 0;

private LayoutParams WClayoutParams =new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);

private LayoutParams FFlayoutParams =new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.FILL_PARENT);

private ProgressBar progressBar;

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Log.i(TAG, "onCreate(Bundle savedInstanceState)" );

//线性布局

LinearLayout layout = new LinearLayout(this);

//设置布局水平方向

layout.setOrientation(LinearLayout.HORIZONTAL);

//进度条

progressBar = new ProgressBar(this);

//进度条显示位置

progressBar.setPadding(0, 0, 15, 0);

layout.addView(progressBar, WClayoutParams);

TextView textView = new TextView(this);

textView.setText("加载中...");

textView.setGravity(Gravity.CENTER_VERTICAL);

layout.addView(textView, FFlayoutParams);

layout.setGravity(Gravity.CENTER);

LinearLayout loadingLayout = new LinearLayout(this);

loadingLayout.addView(layout, WClayoutParams);

loadingLayout.setGravity(Gravity.CENTER);

//得到一个ListView用来显示条目

ListView listView = getListView();

//添加到脚页显示

listView.addFooterView(loadingLayout);

registerForContextMenu(listView);

setListAdapter(adapter);

listView.setOnScrollListener(this);

}

public void onScroll(AbsListView v, int firstVisibleItem,

int visibleItemCount, int totalItemCount) {

lastItem = firstVisibleItem + visibleItemCount - 1;

System.out.println("lastItem:" + lastItem);

Log.i(TAG, "lastItem:" + lastItem);

}

public void onScrollStateChanged(AbsListView v, int state) {

if (lastItem == adapter.count

&& state == OnScrollListener.SCROLL_STATE_IDLE) {

adapter.count += 10;

adapter.notifyDataSetChanged();

Log.i(TAG, "lastItem:" + lastItem);

}

class listViewAdapter extends BaseAdapter {

int count = 10;

public int getCount() {

Log.i(TAG, "count:" + count);

return count;

}

public Object getItem(int pos) {

Log.i(TAG, "pos:" + pos);

return pos;

}

public long getItemId(int pos) {

return pos;

}

public View getView(int pos, View v, ViewGroup p) {

TextView view = new TextView(MainActivity.this);

view.setText("阿福播放器 " + pos);

Log.i(TAG, "entry: " + pos);

view.setTextSize(20f);

view.setHeight(80);

return view;

}

Java代码

packagecom.yangguangfu.listview;

importandroid.app.ListActivity;

importandroid.os.Bundle;

importandroid.util.Log;

importandroid.view.Gravity;

importandroid.view.View;

importandroid.view.ViewGroup;

importandroid.widget.AbsListView;

importandroid.widget.BaseAdapter;

importandroid.widget.Button;

importandroid.widget.LinearLayout;

importandroid.widget.ListView;

importandroid.widget.TextView;

importandroid.widget.LinearLayout.LayoutParams;

publicclassButtonLoadingActivityextendsListActivity {

privatestaticfinalString TAG ="ButtonLoadingActivity";

privatelistViewAdapter adapter =newlistViewAdapter();

privateLayoutParams WClayoutParams =newLinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);

privateLayoutParams FFlayoutParams =newLinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.FILL_PARENT);

protectedvoidonCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Log.i(TAG,"onCreate(Bundle savedInstanceState):");

LinearLayout layout =newLinearLayout(this);

layout.setOrientation(LinearLayout.HORIZONTAL);

Button button =newButton(this);

button.setText("点击加载下五条...");

button.setGravity(Gravity.CENTER_VERTICAL);

layout.addView(button,FFlayoutParams);

layout.setGravity(Gravity.CENTER);

LinearLayout loadingLayout =newLinearLayout(this);

loadingLayout.addView(layout,WClayoutParams);

loadingLayout.setGravity(Gravity.CENTER);

ListView listView = getListView();

listView.addFooterView(loadingLayout);

button.setOnClickListener(newButton.OnClickListener()

{@Override

publicvoidonClick(View v)

{

adapter.count +=5;

Log.i(TAG,"setOnClickListener:"+ adapter.count);

adapter.notifyDataSetChanged();

}

});

setListAdapter(adapter);

}

publicvoidonScrollStateChanged(AbsListView v,ints) {

Log.i(TAG,"onScrollStateChanged(AbsListView v, int s)");

}

classlistViewAdapterextendsBaseAdapter {

intcount =10;

publicintgetCount() {returncount; }

publicObject getItem(intpos) {returnpos; }

publiclonggetItemId(intpos) {returnpos; }

publicView getView(intpos, View v, ViewGroup p) {

TextView textView =newTextView(ButtonLoadingActivity.this);

textView.setHeight(80);

textView.setTextSize(20);

textView.setText("阿福播放器 "+ pos);

Log.i(TAG,"getView:pos:"+ pos);

returntextView;

}

package com.yangguangfu.listview;

import android.app.ListActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.AbsListView;

import android.widget.BaseAdapter;

import android.widget.Button;

import android.widget.LinearLayout;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.LinearLayout.LayoutParams;

public class ButtonLoadingActivity extends ListActivity {

private static final String TAG = "ButtonLoadingActivity";

private listViewAdapter adapter = new listViewAdapter();

private LayoutParams WClayoutParams =new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);

private LayoutParams FFlayoutParams =new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.FILL_PARENT);

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Log.i(TAG, "onCreate(Bundle savedInstanceState):" );

LinearLayout layout = new LinearLayout(this);

layout.setOrientation(LinearLayout.HORIZONTAL);

Button button = new Button(this);

button.setText("点击加载下五条...");

button.setGravity(Gravity.CENTER_VERTICAL);

layout.addView(button,FFlayoutParams);

layout.setGravity(Gravity.CENTER);

LinearLayout loadingLayout = new LinearLayout(this);

loadingLayout.addView(layout,WClayoutParams);

loadingLayout.setGravity(Gravity.CENTER);

ListView listView = getListView();

listView.addFooterView(loadingLayout);

button.setOnClickListener(new Button.OnClickListener()

{ @Override

public void onClick(View v)

{

adapter.count += 5;

Log.i(TAG, "setOnClickListener:" + adapter.count);

adapter.notifyDataSetChanged();

}

});

setListAdapter(adapter);

}

public void onScrollStateChanged(AbsListView v, int s) {

Log.i(TAG, "onScrollStateChanged(AbsListView v, int s)");

}

class listViewAdapter extends BaseAdapter {

int count = 10;

public int getCount() { return count; }

public Object getItem(int pos) { return pos; }

public long getItemId(int pos) { return pos; }

public View getView(int pos, View v, ViewGroup p) {

TextView textView = new TextView(ButtonLoadingActivity.this);

textView.setHeight(80);

textView.setTextSize(20);

textView.setText("阿福播放器 " + pos);

Log.i(TAG, "getView:pos:" + pos);

return textView;

}

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Lilian Lin

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