显示所有APP的进程详细信息（进程ID、进程所在UID、进程占用内存、进程名）

main.xml

<?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:gravity="center_vertical"    android:orientation="vertical" >    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginBottom="50dip"        android:layout_marginLeft="10dip"        android:orientation="horizontal" >        <TextView            android:layout_width="120dip"            android:layout_height="wrap_content"            android:text="系统可用内存为：" />        <TextView            android:id="@+id/tvAvailMemory"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textColor="#FFD700" />    </LinearLayout>    <Button        android:id="@+id/btProcessInfo"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="查看系统进程信息" /></LinearLayout>

browse_process_list.xml

<?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" >    <TextView        android:id="@+id/tvTotalProcessNo"        android:layout_width="fill_parent"        android:layout_height="30dip"        android:textSize="20sp" />    <ListView        android:id="@+id/listviewProcess"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:layout_marginTop="10dip" /></LinearLayout>

browse_process_item.xml

<?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="80dip"    android:orientation="vertical" >    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="10dip"        android:orientation="horizontal" >        <TextView            android:layout_width="100dip"            android:layout_height="wrap_content"            android:text="进程ID : " />        <TextView            android:id="@+id/tvProcessPID"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_marginLeft="3dip"            android:textColor="#FFD700" />    </LinearLayout>    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="10dip"        android:orientation="horizontal" >        <TextView            android:layout_width="100dip"            android:layout_height="wrap_content"            android:text="进程所在UID:" />        <TextView            android:id="@+id/tvProcessUID"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textColor="#FFD700" />    </LinearLayout>    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="10dip"        android:orientation="horizontal" >        <TextView            android:layout_width="100dip"            android:layout_height="wrap_content"            android:text="进程占用内存:" />        <TextView            android:id="@+id/tvProcessMemSize"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textColor="#FFD700" />    </LinearLayout>    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="10dip"        android:orientation="horizontal" >        <TextView            android:layout_width="100dip"            android:layout_height="wrap_content"            android:text="进程名:" />        <TextView            android:id="@+id/tvProcessName"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textColor="#FFD700" />    </LinearLayout></LinearLayout>

ProcessInfo.java

package com.qin.ammp;//Model类public class ProcessInfo {    // 进程id  Android规定android.system.uid=1000    private int pid;     // 进程所在的用户id ，即该进程是有谁启动的 root/普通用户等    private int uid;     // 进程占用的内存大小,单位为kb    private int memSize;     // 进程名    private String processName;         public ProcessInfo(){}        public int getPid() {        return pid;    }    public void setPid(int pid) {        this.pid = pid;    }    public int getUid() {        return uid;    }    public void setUid(int uid) {        this.uid = uid;    }    public int getMemSize() {        return memSize;    }    public void setMemSize(int memSize) {        this.memSize = memSize;    }    public String getProcessName() {        return processName;    }    public void setPocessName(String processName) {        this.processName = processName;    }}

MainActivity.java

package com.qin.ammp;import android.app.Activity;import android.app.ActivityManager;import android.app.ActivityManager.MemoryInfo;import android.content.Context;import android.content.Intent;import android.os.Bundle;import android.text.format.Formatter;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.TextView;public class MainActivity extends Activity {        private static String TAG = "AM_MEMORYIPROCESS" ;        private ActivityManager mActivityManager = null ;        private TextView tvAvailMem  ;    private Button btProcessInfo ;        @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                tvAvailMem = (TextView)findViewById(R.id.tvAvailMemory) ;        btProcessInfo =(Button)findViewById(R.id.btProcessInfo);        //跳转到显示进程信息界面        btProcessInfo.setOnClickListener(new View.OnClickListener() {                        @Override            public void onClick(View v) {                Intent intent = new Intent(MainActivity.this,BrowseProcessInfoActivity.class);                startActivity(intent);            }        });                               //获得ActivityManager服务的对象        mActivityManager = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);              //获得可用内存信息        String availMemStr = getSystemAvaialbeMemorySize();        Log.i(TAG, "The Availabel Memory Size is"+availMemStr);         //显示        tvAvailMem.setText(availMemStr);             }    //获得系统可用内存信息    private String getSystemAvaialbeMemorySize(){        //获得MemoryInfo对象        MemoryInfo memoryInfo = new MemoryInfo() ;        //获得系统可用内存，保存在MemoryInfo对象上        mActivityManager.getMemoryInfo(memoryInfo) ;        long memSize = memoryInfo.availMem ;                //字符类型转换        String availMemStr = formateFileSize(memSize);                return availMemStr ;    }      //调用系统函数，字符串转换 long -String KB/MB    private String formateFileSize(long size){        return Formatter.formatFileSize(MainActivity.this, size);     }    }

BrowseProcessInfoActivity.java

package com.qin.ammp;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.app.ActivityManager;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.os.Bundle;import android.os.Debug;import android.util.Log;import android.view.ContextMenu;import android.view.MenuItem;import android.view.View;import android.view.ContextMenu.ContextMenuInfo;import android.widget.AdapterView;import android.widget.ListView;import android.widget.TextView;import android.widget.AdapterView.OnItemClickListener;public class BrowseProcessInfoActivity extends Activity  implements OnItemClickListener{    private static String TAG = "ProcessInfo";    private static final int KILL_PORCESS = 1;    private static final int SEARCH_RUNNING_APP = 2;    private ActivityManager mActivityManager = null;    // ProcessInfo Model类 用来保存所有进程信息    private List<ProcessInfo> processInfoList = null;    private ListView listviewProcess;    private TextView tvTotalProcessNo ;         public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.browse_process_list);        listviewProcess = (ListView) findViewById(R.id.listviewProcess);        listviewProcess.setOnItemClickListener(this);                tvTotalProcessNo =(TextView)findViewById(R.id.tvTotalProcessNo);                this.registerForContextMenu(listviewProcess);        // 获得ActivityManager服务的对象        mActivityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);        // 获得系统进程信息        getRunningAppProcessInfo();        // 为ListView构建适配器对象        BrowseProcessInfoAdapter mprocessInfoAdapter = new BrowseProcessInfoAdapter(                this, processInfoList);        listviewProcess.setAdapter(mprocessInfoAdapter);            tvTotalProcessNo.setText("当前系统进程共有："+processInfoList.size());    }    //杀死该进程，并且刷新    @Override    public void onItemClick(AdapterView<?> arg0, View arg1,  final int position, long arg3) {        // TODO Auto-generated method stub        new AlertDialog.Builder(this).setMessage("是否杀死该进程")        .setPositiveButton("确定", new DialogInterface.OnClickListener() {                        @Override            public void onClick(DialogInterface dialog, int which) {                // TODO Auto-generated method stub                //杀死该进程，释放进程占用的空间                mActivityManager.killBackgroundProcesses(processInfoList.get(position).getProcessName());                //刷新界面                getRunningAppProcessInfo() ;                BrowseProcessInfoAdapter mprocessInfoAdapter = new BrowseProcessInfoAdapter(                        BrowseProcessInfoActivity.this, processInfoList);                listviewProcess.setAdapter(mprocessInfoAdapter);                tvTotalProcessNo.setText("当前系统进程共有："+processInfoList.size());            }        }).setNegativeButton("取消", new DialogInterface.OnClickListener() {                        @Override            public void onClick(DialogInterface dialog, int which) {                // TODO Auto-generated method stub                dialog.cancel() ;            }        }).create().show() ;    }        /**     * 获得系统进程信息     */     private void getRunningAppProcessInfo() {        // ProcessInfo Model类   用来保存所有进程信息        processInfoList = new ArrayList<ProcessInfo>();        // 通过调用ActivityManager的getRunningAppProcesses()方法获得系统里所有正在运行的进程        List<ActivityManager.RunningAppProcessInfo> appProcessList = mActivityManager                .getRunningAppProcesses();        for (ActivityManager.RunningAppProcessInfo appProcessInfo : appProcessList) {            // 进程ID号            int pid = appProcessInfo.pid;            // 用户ID 类似于Linux的权限不同，ID也就不同 比如 root等            int uid = appProcessInfo.uid;            // 进程名，默认是包名或者由属性android：process=""指定            String processName = appProcessInfo.processName;            // 获得该进程占用的内存            int[] myMempid = new int[] { pid };            // 此MemoryInfo位于android.os.Debug.MemoryInfo包中，用来统计进程的内存信息            Debug.MemoryInfo[] memoryInfo = mActivityManager                    .getProcessMemoryInfo(myMempid);            // 获取进程占内存用信息 kb单位            int memSize = memoryInfo[0].dalvikPrivateDirty;            Log.i(TAG, "processName: " + processName + "  pid: " + pid                    + " uid:" + uid + " memorySize is -->" + memSize + "kb");            // 构造一个ProcessInfo对象            ProcessInfo processInfo = new ProcessInfo();            processInfo.setPid(pid);            processInfo.setUid(uid);            processInfo.setMemSize(memSize);            processInfo.setPocessName(processName);            processInfoList.add(processInfo);            // 获得每个进程里运行的应用程序(包),即每个应用程序的包名            String[] packageList = appProcessInfo.pkgList;            Log.i(TAG, "process id is " + pid + "has " + packageList.length);            for (String pkg : packageList) {                Log.i(TAG, "packageName " + pkg + " in process id is -->"                                + pid);            }        }    }    public void onCreateContextMenu(ContextMenu menu, View v,            ContextMenuInfo menuInfo) {        menu.add(0, 0, KILL_PORCESS, "杀死该进程");        menu.add(0, 0, SEARCH_RUNNING_APP, "运行在该进程的应用程序");        super.onCreateContextMenu(menu, v, menuInfo);    }    public boolean onContextItemSelected(MenuItem item) {        switch (item.getItemId()) {        case KILL_PORCESS: // 杀死该进程 ， 重新加载界面            new AlertDialog.Builder(this).setMessage("是否杀死该进程")            .setPositiveButton("确定", new DialogInterface.OnClickListener() {                                @Override                public void onClick(DialogInterface dialog, int which) {                    // TODO Auto-generated method stub                                    }            }).setNegativeButton("取消", new DialogInterface.OnClickListener() {                                @Override                public void onClick(DialogInterface dialog, int which) {                    // TODO Auto-generated method stub                    dialog.cancel() ;                }            }).create().show() ;            break;        case SEARCH_RUNNING_APP: // 查看运行在该进程的应用程序信息            break;        default:            break;        }        return super.onContextItemSelected(item);    }}

BrowseProcessInfoAdapter.java

package com.qin.ammp;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.TextView;//自定义适配器类，提供给listView的自定义viewpublic class BrowseProcessInfoAdapter extends BaseAdapter   {        private List<ProcessInfo> mlistProcessInfo = null;        LayoutInflater infater = null;        public BrowseProcessInfoAdapter(Context context,  List<ProcessInfo> apps) {        infater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);        mlistProcessInfo = apps ;    }    @Override    public int getCount() {        System.out.println("size" + mlistProcessInfo.size());        return mlistProcessInfo.size();    }    @Override    public Object getItem(int position) {        return mlistProcessInfo.get(position);    }    @Override    public long getItemId(int position) {        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_process_item, null);            holder = new ViewHolder(view);            view.setTag(holder);        }         else{            view = convertview ;            holder = (ViewHolder) convertview.getTag() ;        }        ProcessInfo processInfo = (ProcessInfo) getItem(position);        holder.tvPID.setText(processInfo.getPid() +"");        holder.tvUID.setText(processInfo.getUid() +"") ;        holder.tvProcessMemSize.setText(processInfo.getMemSize()+"KB");        holder.tvProcessName.setText(processInfo.getProcessName());                    return view;    }    class ViewHolder {        TextView tvPID ;             //进程ID        TextView tvUID ;             //用户ID           TextView tvProcessMemSize ;  //进程占用内存大小         TextView tvProcessName ;   // 进程名        public ViewHolder(View view) {            this.tvPID = (TextView)view.findViewById(R.id.tvProcessPID) ;            this.tvUID = (TextView) view.findViewById(R.id.tvProcessUID);            this.tvProcessMemSize = (TextView) view.findViewById(R.id.tvProcessMemSize);            this.tvProcessName = (TextView)view.findViewById(R.id.tvProcessName) ;        }    }}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"      package="com.qin.ammp"      android:versionCode="1"      android:versionName="1.0">    <application android:icon="@drawable/icon" android:label="@string/app_name">        <activity android:name=".MainActivity"                  android:label="@string/app_name">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <activity android:name=".BrowseProcessInfoActivity"></activity>    </application>   <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" /></manifest>

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