android 获取第三方应用程序包名并启动
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说明:
第一行,应用名,icon
第二行,启动类名
第三行, 应用包名
点击启动
代码下载地址:
Demo下载
package com.rmt.getappinfo;import java.util.Collections;import java.util.List;import java.util.Map;import android.app.Activity;import android.app.ProgressDialog;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;public class MainActivity extends Activity implements Runnable ,OnItemClickListener{private static final String TAG = "appinfo";private ListView softlist;private ProgressDialog pd;private Context mContext;private PackageManager mPackageManager;private List<ResolveInfo> mAllApps;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);setTitle("文件管理器");mContext = this;mPackageManager = getPackageManager();softlist = (ListView) findViewById(R.id.softlist);pd = ProgressDialog.show(this, "请稍候..", "正在收集软件信息...", true,false);Thread thread = new Thread(this);thread.start();}/*** 检查系统应用程序,添加到应用列表中*/private void bindMsg(){//应用过滤条件Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);mAllApps = mPackageManager.queryIntentActivities(mainIntent, 0);softlist.setAdapter(new MyAdapter(mContext, mAllApps));softlist.setOnItemClickListener(this);//按报名排序Collections.sort(mAllApps, new ResolveInfo.DisplayNameComparator(mPackageManager));}@Overridepublic void run() {bindMsg();handler.sendEmptyMessage(0);}private Handler handler = new Handler() {public void handleMessage(Message msg) {pd.dismiss();}};class MyAdapter extends BaseAdapter{private List<ResolveInfo> resInfo;private ResolveInfo res;private LayoutInflater infater=null;public MyAdapter(Context context, List<ResolveInfo> resInfo) {this.resInfo = resInfo;infater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);}@Overridepublic int getCount() {return resInfo.size();}@Overridepublic Object getItem(int arg0) {return arg0;}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder = null;if (convertView == null || convertView.getTag() == null) {convertView = infater.inflate(R.layout.soft_row, null);holder = new ViewHolder(convertView);convertView.setTag(holder);}else{holder = (ViewHolder) convertView.getTag() ;}//获取应用程序包名,程序名称,程序图标res = resInfo.get(position);holder.appIcon.setImageDrawable(res.loadIcon(mPackageManager));holder.tvAppLabel.setText(res.loadLabel(mPackageManager).toString());holder.tvPkgName.setText(res.activityInfo.packageName+'\n'+res.activityInfo.name);Log.d(TAG, res.loadLabel(mPackageManager).toString() + "\n" + res.activityInfo.packageName+'\n'+res.activityInfo.name);return convertView;}}//设定界面布局class ViewHolder {ImageView appIcon;TextView tvAppLabel;TextView tvPkgName;public ViewHolder(View view) {this.appIcon = (ImageView) view.findViewById(R.id.img);this.tvAppLabel = (TextView) view.findViewById(R.id.name);this.tvPkgName = (TextView) view.findViewById(R.id.desc);}}/*** 单击应用程序后进入系统应用管理界面*/@Overridepublic void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {ResolveInfo res = mAllApps.get(position);//该应用的包名和主ActivityString pkg = res.activityInfo.packageName;String cls = res.activityInfo.name;ComponentName componet = new ComponentName(pkg, cls);Intent i = new Intent();i.setComponent(componet);startActivity(i);}}
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <ListView android:id="@+id/softlist" android:layout_width="fill_parent" android:layout_height="fill_parent" android:drawSelectorOnTop="false" /></LinearLayout>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/vw1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <ImageView android:id="@+id/img" android:layout_width="32dip" android:layout_height="32dip" android:layout_margin="4dip" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:id="@+id/name" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="18sp" android:textStyle="bold" /> <TextView android:id="@+id/desc" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingLeft="10dip" android:textSize="14sp" /> </LinearLayout></LinearLayout>
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