获取android应用程序包名、图标、应用名称

有时候我们在开发程序时需要用到获取手机中已安装程序的包名、图标、应用名称,在这里写一篇简单的博客

还是跟往常一样，先上图，最后会给出程序的Demo

从上图可以看出，每个 Item 都包含了相应信息，所以在此为了封装信息，就写了一个 信息封装类

package com.cn.sz.fisi.appinfo.mode;

import android.graphics.drawable.Drawable;

public class AppInfo {

String appName;
String packageName;
Drawable drawable;

public AppInfo(){}

public AppInfo(String appName){
this.appName = appName;
}

public AppInfo(String appName, String packageName){
this.appName = appName;
this.packageName = packageName;
}

public AppInfo(String appName,String packageName, Drawable drawable){
this.appName = appName;
this.packageName = packageName;
this.drawable = drawable;
}



public String getAppName() {
if(null == appName)
return "";
else
return appName;
}

public void setAppName(String appName) {
this.appName = appName;
}

public String getPackageName() {
if(null == packageName)
return "";
else
return packageName;
}

public void setPackageName(String packageName) {
this.packageName = packageName;
}

public Drawable getDrawable() {
return drawable;
}

public void setDrawable(Drawable drawable) {
this.drawable = drawable;
}

}

Activity 代码 

package com.cn.sz.fisi.appinfo;

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

import com.cn.sz.fisi.appinfo.adapter.AppInfosAdapter;
import com.cn.sz.fisi.appinfo.mode.AppInfo;

import android.os.Bundle;
import android.app.Activity;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.view.Menu;
import android.widget.ListView;

public class MainActivity extends Activity {
ListView  appInfoListView = null;
List appInfos = null;
AppInfosAdapter infosAdapter = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        appInfoListView = (ListView)this.findViewById(R.id.appinfo_list);
        appInfos = getAppInfos();
        updateUI(appInfos);
    }
    
    public void updateUI(List appInfos){
    if(null != appInfos){
    infosAdapter = new AppInfosAdapter(getApplication(), appInfos);
    appInfoListView.setAdapter(infosAdapter);
    }
    }
    
    // 获取包名信息
    public List getAppInfos(){
    PackageManager pm = getApplication().getPackageManager();
    List  packgeInfos = pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
    appInfos = new ArrayList();
    /* 获取应用程序的名称，不是包名，而是清单文件中的labelname
String str_name = packageInfo.applicationInfo.loadLabel(pm).toString();
appInfo.setAppName(str_name);
     */
    for(PackageInfo packgeInfo : packgeInfos){
    String appName = packgeInfo.applicationInfo.loadLabel(pm).toString();
    String packageName = packgeInfo.packageName;
    Drawable drawable = packgeInfo.applicationInfo.loadIcon(pm);
    AppInfo appInfo = new AppInfo(appName, packageName,drawable);
    appInfos.add(appInfo);
    }
    return appInfos;
    }
    


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}

下面是 adapter 的信息

package com.cn.sz.fisi.appinfo.adapter;

import java.util.List;

import com.cn.sz.fisi.appinfo.R;
import com.cn.sz.fisi.appinfo.mode.AppInfo;
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 AppInfosAdapter extends BaseAdapter {

Context context;
List appInfos;

public AppInfosAdapter(){}

public AppInfosAdapter(Context context , List infos ){
this.cOntext= context;
this.appInfos = infos;
}

public Context getContext() {
return context;
}

public void setContext(Context context) {
this.cOntext= context;
}

public List getAppInfos() {
return appInfos;
}

public void setAppInfos(List appInfos) {
this.appInfos = appInfos;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
int count = 0;
if(null != appInfos){
return appInfos.size();
};
return count;
}

@Override
public Object getItem(int index) {
// TODO Auto-generated method stub
return appInfos.get(index);
}

@Override
public long getItemId(int index) {
// TODO Auto-generated method stub
return index;
}

@Override
public View getView(int position, View convertView, ViewGroup arg2) {
// TODO Auto-generated method stub
ViewHolder viewHolder = null;
if(null == convertView){
viewHolder = new ViewHolder();
LayoutInflater mInflater = LayoutInflater.from(context);
cOnvertView= mInflater.inflate(R.layout.app_info_item, null);
viewHolder.appIcOnImg= (ImageView)convertView.findViewById(R.id.app_icon);
viewHolder.appNameText = (TextView)convertView.findViewById(R.id.app_info_name);
viewHolder.appPackageText = (TextView)convertView.findViewById(R.id.app_info_package_name);
convertView.setTag(viewHolder);
}else{
viewHolder = (ViewHolder)convertView.getTag();
}
if(null != appInfos){
viewHolder.appIconImg.setBackground(appInfos.get(position).getDrawable());
viewHolder.appNameText.setText(appInfos.get(position).getAppName());
viewHolder.appPackageText.setText(appInfos.get(position).getPackageName());
}

return convertView;
}

private class ViewHolder{
ImageView appIconImg;
TextView  appNameText;
TextView  appPackageText;
}

}

Activity 的 XML 代码  

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_
    android:layout_
    tools:cOntext=".MainActivity" >

            android:id="@+id/appinfo_text"
        android:layout_
        android:layout_
        android:textSize="16sp"
        android:text="@string/application_info"
        android:gravity="center"
        android:background="#888899"
        android:paddingBottom="8dp"
        android:paddingTop="8dp"
        />
    
            android:id="@+id/appinfo_list"
        android:layout_
        android:layout_
        android:layout_below="@id/appinfo_text"
        android:divider="#666666"
        android:divider
        >
    
    

Item的 xml 代码

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_
    android:layout_
    tools:cOntext=".MainActivity" >

            android:id="@+id/appinfo_text"
        android:layout_
        android:layout_
        android:textSize="16sp"
        android:text="@string/application_info"
        android:gravity="center"
        android:background="#888899"
        android:paddingBottom="8dp"
        android:paddingTop="8dp"
        />
    
            android:id="@+id/appinfo_list"
        android:layout_
        android:layout_
        android:layout_below="@id/appinfo_text"
        android:divider="#666666"
        android:divider
        >
    
    

项目 的 demo 地址

http://download.csdn.net/detail/qijian0503/9306333