applist

最新推荐文章于 2024-08-19 09:48:03 发布

weixin_42682652

最新推荐文章于 2024-08-19 09:48:03 发布

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本文链接：https://blog.youkuaiyun.com/weixin_42682652/article/details/81025124

package com.proj.applist;

import android.content.Intent;
import android.graphics.drawable.Drawable;

public class AppInfo {
private String appLabel;
private Drawable appIcon ;
private Intent intent ;
private String pkgName ;

public AppInfo(){}

public String getAppLabel() {
return appLabel;
}
public void setAppLabel(String appName) {
this.appLabel = appName;
}
public Drawable getAppIcon() {
return appIcon;
}
public void setAppIcon(Drawable appIcon) {
this.appIcon = appIcon;
}
public Intent getIntent() {
return intent;
}
public void setIntent(Intent intent) {
this.intent = intent;
}
public String getPkgName(){
return pkgName ;
}
public void setPkgName(String pkgName){
this.pkgName=pkgName ;
}

}

package com.proj.applist;

import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class BrowseApplicationInfoAdapter extends BaseAdapter {

private List<AppInfo> mlistAppInfo = null;

LayoutInflater infater = null;

public BrowseApplicationInfoAdapter(Context context, List<AppInfo> apps) {
infater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mlistAppInfo = apps ;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
System.out.println("size" + mlistAppInfo.size());
return mlistAppInfo.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return mlistAppInfo.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertview, ViewGroup arg2) {
System.out.println("getView at " + position);
View view = null;
ViewHolder holder = null;
if (convertview == null || convertview.getTag() == null) {
view = infater.inflate(R.layout.browse_app_item, null);
holder = new ViewHolder(view);
view.setTag(holder);
}
else{
view = convertview ;
holder = (ViewHolder) convertview.getTag() ;
}
AppInfo appInfo = (AppInfo) getItem(position);
holder.appIcon.setImageDrawable(appInfo.getAppIcon());
holder.tvAppLabel.setText(appInfo.getAppLabel());
holder.tvPkgName.setText(appInfo.getPkgName());
return view;
}

class ViewHolder {
ImageView appIcon;
TextView tvAppLabel;
TextView tvPkgName;

public ViewHolder(View view) {
this.appIcon = (ImageView) view.findViewById(R.id.imgApp);
this.tvAppLabel = (TextView) view.findViewById(R.id.tvAppLabel);
this.tvPkgName = (TextView) view.findViewById(R.id.tvPkgName);
}
}

}

package com.proj.applist;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

public class MainActivity extends Activity implements OnItemClickListener{

private ListView listview = null;

private List<AppInfo> mlistAppInfo = null;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.broswe_app_list);

listview = (ListView) findViewById(R.id.listviewApp);
mlistAppInfo = new ArrayList<AppInfo>();
queryAppInfo(); // 鏌ヨ鎵€鏈夊簲鐢ㄧ▼搴忎俊鎭?
BrowseApplicationInfoAdapter browseAppAdapter = new BrowseApplicationInfoAdapter(
this, mlistAppInfo);
listview.setAdapter(browseAppAdapter);
listview.setOnItemClickListener(this);
}
// 鐐瑰嚮璺宠浆鑷宠搴旂敤绋嬪簭
public void onItemClick(AdapterView<?> arg0, View view, int position,
long arg3) {
// TODO Auto-generated method stub
Intent intent = mlistAppInfo.get(position).getIntent();
startActivity(intent);
}
// 鑾峰緱鎵€鏈夊惎鍔ˋctivity鐨勪俊鎭紝绫讳技浜嶭aunch鐣岄潰
public void queryAppInfo() {
PackageManager pm = this.getPackageManager(); //鑾峰緱PackageManager瀵硅薄
Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
// 閫氳繃鏌ヨ锛岃幏寰楁墍鏈塕esolveInfo瀵硅薄.
List<ResolveInfo> resolveInfos = pm
.queryIntentActivities(mainIntent, 0);//0 Launcher涓殑搴旂敤,PackageManager.MATCH_DEFAULT_ONLY鎵€鏈夊簲鐢?

Log.d("count","appList_count:"+resolveInfos.size());
// 璋冪敤绯荤粺鎺掑簭锛?鏍规嵁name鎺掑簭
// 璇ユ帓搴忓緢閲嶈锛屽惁鍒欏彧鑳芥樉绀虹郴缁熷簲鐢紝鑰屼笉鑳藉垪鍑虹涓夋柟搴旂敤绋嬪簭
Collections.sort(resolveInfos,new ResolveInfo.DisplayNameComparator(pm));
if (mlistAppInfo != null) {
mlistAppInfo.clear();
for (ResolveInfo reInfo : resolveInfos) {
String activityName = reInfo.activityInfo.name; // 鑾峰緱璇ュ簲鐢ㄧ▼搴忕殑鍚姩Activity鐨刵ame
String pkgName = reInfo.activityInfo.packageName; // 鑾峰緱搴旂敤绋嬪簭鐨勫寘鍚?
String appLabel = (String) reInfo.loadLabel(pm); // 鑾峰緱搴旂敤绋嬪簭鐨凩abel
Drawable icon = reInfo.loadIcon(pm); // 鑾峰緱搴旂敤绋嬪簭鍥炬爣
// 涓哄簲鐢ㄧ▼搴忕殑鍚姩Activity 鍑嗗Intent
Intent launchIntent = new Intent();
launchIntent.setComponent(new ComponentName(pkgName,
activityName));
// 鍒涘缓涓€涓狝ppInfo瀵硅薄锛屽苟璧嬪€?
AppInfo appInfo = new AppInfo();
appInfo.setAppLabel(appLabel);
appInfo.setPkgName(pkgName);
appInfo.setAppIcon(icon);
appInfo.setIntent(launchIntent);
mlistAppInfo.add(appInfo); // 娣诲姞鑷冲垪琛ㄤ腑
}
}
}

}

<?xml version="1.0"?>

-<RelativeLayout tools:context=".MainActivity" android:paddingTop="@dimen/activity_vertical_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingBottom="@dimen/activity_vertical_margin" android:layout_height="match_parent" android:layout_width="match_parent" xmlns:tools="http://schemas.android.com/tools" xmlns:android="http://schemas.android.com/apk/res/android">

<TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="@string/hello_world"/>

</RelativeLayout>

<?xml version="1.0" encoding="UTF-8"?>

-<LinearLayout android:layout_height="fill_parent" android:layout_width="fill_parent" android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android">
>
<ListView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/listviewApp"/>

</LinearLayout>

<?xml version="1.0" encoding="UTF-8"?>

-<LinearLayout android:layout_height="50dip" android:layout_width="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android">

<ImageView android:layout_height="fill_parent" android:layout_width="wrap_content" android:id="@+id/imgApp"/>

-<RelativeLayout android:layout_height="40dip" android:layout_width="fill_parent" android:layout_marginLeft="10dip">

<TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/tvLabel" android:text="AppLable : "/>

<TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/tvAppLabel" android:layout_marginLeft="3dip" android:text="Label" android:textColor="#FFD700" android:layout_toRightOf="@id/tvLabel"/>

<TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/tvName" android:text="包名:" android:layout_below="@id/tvLabel"/>

<TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/tvPkgName" android:textColor="#FFD700" android:layout_below="@id/tvAppLabel" android:layout_alignLeft="@id/tvAppLabel"/>

</RelativeLayout>

</LinearLayout>