实例介绍
【实例简介】仅供大家学习交流使用
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | package com.caigang.process.ui.task;import java.util.ArrayList;import java.util.Iterator;import java.util.List;import android.app.ActivityManager;import android.app.ActivityManager.RunningAppProcessInfo;import android.app.AlertDialog;import android.app.ListActivity;import android.app.ProgressDialog;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.content.pm.ApplicationInfo;import android.content.pm.PackageManager;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.text.style.BulletSpan;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.AdapterView.OnItemLongClickListener;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.caigang.process.R;import com.caigang.process.model.BasicProgramUtil;import com.caigang.process.ui.DetailActivity;import com.caigang.process.util.PackageUtil;import com.caigang.process.util.ProcessMemoryUtil;public class ProcessActivity extends ListActivity implements OnItemLongClickListener,OnItemClickListener{ private PackageManager packageManager; private ProgressDialog pd; private Handler handler; private List<BasicProgramUtil> list = null; private PackageUtil packageUtil; private ProcessMemoryUtil processMemoryUtil; private ListView listView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.process); listView = getListView(); listView.setOnItemLongClickListener(this);//为listView添加 listView.setOnItemClickListener(this); packageUtil = new PackageUtil(ProcessActivity.this); processMemoryUtil = new ProcessMemoryUtil(); packageManager = getPackageManager(); pd = new ProgressDialog(ProcessActivity.this);// 生成一个进度条 pd.setProgressStyle(ProgressDialog.STYLE_SPINNER); pd.setTitle(getString(R.string.progress_tips_title)); pd.setMessage(getString(R.string.progress_tips_content)); handler = new RefreshHandler(); pd.show(); RefreshThread thread = new RefreshThread(); thread.start();// 耗时操作，需要开启一个线程 } @Override protected void onResume() { super.onResume(); } class RefreshHandler extends Handler { @Override public void handleMessage(Message msg) { refreshListItems(); setTitle("软件信息,有" list.size() "个进程在运行."); pd.dismiss();// 关闭进度条 } } class RefreshThread extends Thread { @Override public void run() { getRunningAppProcesses(); Message msg = handler.obtainMessage(); handler.sendMessage(msg); } } private void refreshListItems() { list = getRunningAppProcesses(); MyAdapter adapter = new MyAdapter(ProcessActivity.this, list); listView.setAdapter(adapter); } private List<BasicProgramUtil> getRunningAppProcesses() { ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); List<RunningAppProcessInfo> procList = activityManager.getRunningAppProcesses(); List list = new ArrayList<BasicProgramUtil>(); for (Iterator<RunningAppProcessInfo> iterator = procList.iterator(); iterator .hasNext();) { RunningAppProcessInfo procInfo = iterator.next(); BasicProgramUtil basicProgramUtil = buildProgramUtilSimpleInfo(procInfo.pid, procInfo.processName); list.add(basicProgramUtil); } return list; } private void returnToHome() { Intent home = new Intent(Intent.ACTION_MAIN); home.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); home.addCategory(Intent.CATEGORY_HOME); startActivity(home); } public BasicProgramUtil buildProgramUtilSimpleInfo(int procId, String procNameString) { BasicProgramUtil programUtil = new BasicProgramUtil(); programUtil.setProcessName(procNameString); // 根据进程名，获取应用程序的ApplicationInfo对象 ApplicationInfo tempAppInfo = packageUtil.getApplicationInfo(procNameString); if (tempAppInfo != null) { // 为进程加载图标和程序名称 programUtil.setIcon(tempAppInfo.loadIcon(packageManager)); programUtil.setProgramName(tempAppInfo.loadLabel(packageManager).toString()); } else { // 如果获取失败，则使用默认的图标和程序名 programUtil.setIcon(getApplicationContext().getResources().getDrawable(R.drawable.unknown)); programUtil.setProgramName(procNameString); } String str = processMemoryUtil.getMemInfoByPid(procId); programUtil.setCpuMemString(str); return programUtil; } class MyAdapter extends BaseAdapter{ private Context context; private List<BasicProgramUtil> list; private LayoutInflater inflater; public MyAdapter(Context context,List<BasicProgramUtil> list){ super(); this.context = context; this.list = list; this.inflater = LayoutInflater.from(context); } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { BasicProgramUtil bp = list.get(position); View v = convertView; if(v==null){ v = inflater.inflate(R.layout.proc_list_item, null); ViewHolder viewHolder = new ViewHolder(); viewHolder.img = (ImageView)v.findViewById(R.id.icon); viewHolder.tv1 = (TextView)v.findViewById(R.id.programName); //viewHolder.tv2 = (TextView)v.findViewById(R.id.processName); viewHolder.tv3 = (TextView)v.findViewById(R.id.cpuMemString); v.setTag(viewHolder); } ViewHolder viewHolder = (ViewHolder)v.getTag(); viewHolder.img.setBackgroundDrawable(bp.getIcon()); viewHolder.tv1.setText(bp.getProgramName()); //viewHolder.tv2.setText(bp.getProcessName()); viewHolder.tv3.setText(bp.getCpuMemString()); return v; } } static class ViewHolder{ private ImageView img; private TextView tv1; //private TextView tv2; private TextView tv3; } @Override public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int position,long arg3) { return false; } @Override public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) { final BasicProgramUtil bsu = list.get(position); final Intent intent = new Intent(ProcessActivity.this,DetailActivity.class); Bundle bundle = new Bundle(); bundle.putString("procNameString", bsu.getProcessName()); intent.putExtras(bundle); AlertDialog.Builder builder = new AlertDialog.Builder(ProcessActivity.this); builder.setTitle("查看详情or结束此进程"); builder.setIcon(R.drawable.question); builder.setPositiveButton("详情", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startActivity(intent);//跳往程序详情显示页面 } }); builder.setNegativeButton("结束此进程", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { //结束次进程 } }); builder.show(); }} |
标签： Android
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