Android获取正在运行的程序并kill掉它
浏览数：42 /
时间：2015年06月11日
获取正在运行的程序并把它加入到一个listview的adapter类面，方法如下：
// 正在运行的
public List<Programe> getRunningProcess() {
pi = new PackagesInfo(this);
am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
// 获取正在运行的应用
run = am.getRunningAppProcesses();
// 获取包管理器，在这里主要通过包名获取程序的图标和程序名
pm = this.getPackageManager();
List<Programe> list = new ArrayList<Programe>();
for (RunningAppProcessInfo ra : run) {
// 这里主要是过滤系统的应用和电话应用，当然你也可以把它注释掉。
if (ra.processName.equals("system")
|| ra.processName.equals("com.android.phone")) {
continue;
}
if (pi.getInfo(ra.processName) == null) {
continue;
}
int[] myMempid = new int[] { ra.pid };
Programe pr = new Programe();
String xx = "" + ra.processName;
Log.d("zphlog", "ra.processName=" + xx);
pr.setIcon(pi.getInfo(ra.processName).loadIcon(pm));
pr.setName(pi.getInfo(ra.processName).loadLabel(pm).toString());
System.out.println(pi.getInfo(ra.processName).loadLabel(pm)
.toString());
// PID
pr.setPID("PID:" + ra.pid);
// memory
Debug.MemoryInfo[] memoryInfo = am.getProcessMemoryInfo(myMempid);
double memSize = memoryInfo[0].dalvikPrivateDirty / 1024.0;
int temp = (int) (memSize * 100);
memSize = temp / 100.0;
pr.setMemory("Memory:" + memSize);
list.add(pr);
}
return list;
}
下面是获取正在运行程序，手机剩余可运行内存的方法：
// 更新可用内存信息
public void upDateMemAndPakInfo() {
// 获得MemoryInfo对象
ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
// 获得系统可用内存，保存在MemoryInfo对象上
am.getMemoryInfo(memoryInfo);
long memSize = memoryInfo.availMem;
// 字符类型转换
String restMemSize = Formatter
.formatFileSize(getBaseContext(), memSize);
mRestMemory.setText("剩余空间还有:" + restMemSize);
// mPakcgeNums.setText(run.size());
mPakcgeNums.setText("正在运行的有:" + run.size() + "个");
}看一下效果图
下面是详细代码：
ActivityMain.java
public class ActivityMain extends Activity {
private static final int MSG_REFRESH = 555;
private static final int MSG_KILL = 444;
private ListView mListView;
private Button mKillBtn;
private Button mRefreshBtn;
private TextView mPakcgeNums;
private TextView mRestMemory;
private PackagesInfo pi;
private ActivityManager am;
private List<RunningAppProcessInfo> run;
private PackageManager pm;
private long mExitTime;
private static final int EXIT = 0x113;
private static final int ABOUT = 0x114;
private static final int INFO = 0x115;
private static final int SHARE = 0x116;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
mListView = (ListView) findViewById(R.id.list);
mKillBtn = (Button) findViewById(R.id.kill_all);
mRefreshBtn = (Button) findViewById(R.id.refresh_run);
mPakcgeNums = (TextView) findViewById(R.id.packagenums);
mRestMemory = (TextView) findViewById(R.id.restmemory);
List<Programe> list = getRunningProcess();
ListAdapter adapter = new ListAdapter(list, this);
mListView.setAdapter(adapter);
upDateMemAndPakInfo();// 显示Memory信息
// getListView().setAdapter(adapter);
mKillBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
handler.sendEmptyMessage(MSG_KILL);
}
});
mRefreshBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
new Thread() {
public void run() {
handler.sendEmptyMessage(MSG_REFRESH);
}
}.start();
}
});
}
// 正在运行的
public List<Programe> getRunningProcess() {
pi = new PackagesInfo(this);
am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
// 获取正在运行的应用
run = am.getRunningAppProcesses();
// 获取包管理器，在这里主要通过包名获取程序的图标和程序名
pm = this.getPackageManager();
List<Programe> list = new ArrayList<Programe>();
for (RunningAppProcessInfo ra : run) {
// 这里主要是过滤系统的应用和电话应用，当然你也可以把它注释掉。
if (ra.processName.equals("system")
|| ra.processName.equals("com.android.phone")) {
continue;
}
if (pi.getInfo(ra.processName) == null) {
continue;
}
int[] myMempid = new int[] { ra.pid };
Programe pr = new Programe();
String xx = "" + ra.processName;
Log.d("zphlog", "ra.processName=" + xx);
pr.setIcon(pi.getInfo(ra.processName).loadIcon(pm));
pr.setName(pi.getInfo(ra.processName).loadLabel(pm).toString());
System.out.println(pi.getInfo(ra.processName).loadLabel(pm)
.toString());
// PID
pr.setPID("PID:" + ra.pid);
// memory
Debug.MemoryInfo[] memoryInfo = am.getProcessMemoryInfo(myMempid);
double memSize = memoryInfo[0].dalvikPrivateDirty / 1024.0;
int temp = (int) (memSize * 100);
memSize = temp / 100.0;
pr.setMemory("Memory:" + memSize);
list.add(pr);
}
return list;
}
Handler handler = new Handler() {
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case MSG_REFRESH:
List<Programe> list = getRunningProcess();
ListAdapter adapter = new ListAdapter(list, ActivityMain.this);
mListView.setAdapter(adapter);
upDateMemAndPakInfo();
Toast.makeText(ActivityMain.this, "刷新成功", Toast.LENGTH_SHORT)
.show();
break;
case MSG_KILL:
for (RunningAppProcessInfo ra : run) {
// 这里主要是过滤系统的应用和电话应用，当然你也可以把它注释掉。
if (ra.processName.equals("system")
|| ra.processName.equals("com.android.phone")) {
continue;
}
if (pi.getInfo(ra.processName) == null) {
continue;
}
am.killBackgroundProcesses(ra.processName);
// Log.d("zphlog","pid="+ra.pid);
}
Toast.makeText(ActivityMain.this, "kill 成功", Toast.LENGTH_SHORT)
.show();
break;
}
}
};
// 更新可用内存信息
public void upDateMemAndPakInfo() {
// 获得MemoryInfo对象
ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();
// 获得系统可用内存，保存在MemoryInfo对象上
am.getMemoryInfo(memoryInfo);
long memSize = memoryInfo.availMem;
// 字符类型转换
String restMemSize = Formatter
.formatFileSize(getBaseContext(), memSize);
mRestMemory.setText("剩余空间还有:" + restMemSize);
// mPakcgeNums.setText(run.size());
mPakcgeNums.setText("正在运行的有:" + run.size() + "个");
}
// 点击手机返回键返回到上一个界面
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if ((System.currentTimeMillis() - mExitTime) > 2000) {
Toast.makeText(this, "再按一次退出程序", Toast.LENGTH_SHORT).show();
mExitTime = System.currentTimeMillis();
} else {
finish();
}
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, ABOUT, 0, "关于应用");
menu.add(0, INFO, 0, "系统信息");
menu.add(0, SHARE, 0, "分享应用");
menu.add(0, EXIT, 0, "退出应用");
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem mi){
switch (mi.getItemId()){
case ABOUT:
about_info();
break;
case INFO:
system_info();
break;
case SHARE:
share();
break;
case EXIT:
finish();
break;
}
return true;
}
public void about_info(){
Intent intent = new Intent(this, AboutTaskKiller.class);
startActivity(intent);
}
public void system_info(){
Intent intent = new Intent(this, SystemInfo.class);
startActivity(intent);
}
public void share(){
Intent intent=new Intent(Intent.ACTION_SEND);
intent.setType("text/plain"); //纯文本
intent.putExtra(Intent.EXTRA_SUBJECT, "分享");
intent.putExtra(Intent.EXTRA_TEXT, "我发现了一个好用的TaskKiller");
startActivity(intent);
}
}
ListAdapter.java
public class ListAdapter extends BaseAdapter {
List<Programe> list = new ArrayList<Programe>();
LayoutInflater la;
Context context;
public ListAdapter(List<Programe> list, Context context) {
this.list = list;
this.context = context;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return list.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
la = LayoutInflater.from(context);
convertView = la.inflate(R.layout.list_item, null);
holder = new ViewHolder();
holder.imgage = (ImageView) convertView.findViewById(R.id.image);
holder.text = (TextView) convertView.findViewById(R.id.text);
holder.PID = (TextView) convertView.findViewById(R.id.pid);
holder.memory = (TextView) convertView.findViewById(R.id.memory);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
final Programe pr = (Programe) list.get(position);
// 设置图标
holder.imgage.setImageDrawable(pr.getIcon());
// 设置程序名
holder.text.setText(pr.getName());
// 设置PID
holder.PID.setText(pr.getPID());
// 设置memory
holder.memory.setText(pr.getMemory());
return convertView;
}
}
class ViewHolder {
TextView text;
ImageView imgage;
TextView memory;
TextView PID;
}Programe.java
public class Programe {
// 图标
private Drawable icon;
// 程序名
private String name;
private String pID;
private String memory;
public Drawable getIcon() {
return icon;
}
public void setIcon(Drawable icon) {
this.icon = icon;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public void setPID(String id){
this.pID = id;
}
public String getPID(){
return pID;
}
public void setMemory(String m){
this.memory = m;
}
public String getMemory(){
return memory;
}
}activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ActivityMain" >
<LinearLayout
android:id="@+id/layout_info"
android:layout_width="fill_parent"
android:layout_height="35dip"
android:background="#B0C4DE"
android:orientation="horizontal" >
<TextView
android:id="@+id/packagenums"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="8dip"
android:layout_weight="1"
android:text="packagenums"
android:textColor="#000000"
android:textSize="14sp" />
<TextView
android:id="@+id/restmemory"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="8dip"
android:layout_weight="1"
android:text="packagenums"
android:textColor="#000000"
android:textSize="14sp" />
</LinearLayout>
<LinearLayout
android:id="@+id/layout_buttons"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/layout_info"
android:background="#808080"
android:orientation="horizontal" >
<Button
android:id="@+id/kill_all"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dip"
android:layout_weight="1"
android:text="kill All" />
<Button
android:id="@+id/refresh_run"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dip"
android:layout_weight="1"
android:text="refresh" />
</LinearLayout>
<ListView
android:id="@+id/list"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/layout_buttons"
android:background="#808080"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin" />
</RelativeLayout>list_item.xml
<?xml version="1.0" encoding="UTF-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<ImageView
android:id="@+id/image"
android:layout_width="50dip"
android:layout_height="50dip"
android:layout_marginLeft="10dip" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:layout_toRightOf="@id/image"
android:orientation="vertical" >
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="package" />
<TextView
android:id="@+id/pid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="pid" />
<TextView
android:id="@+id/memory"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="memory" />
</LinearLayout>
</RelativeLayout>以上都是主要实现的代码，因为篇幅的原因，我就不再这里继续粘贴代码了，大概总结一下我的思路。
首先就是最开始我谈到的获取正在运行的程序信息。
可以通过下面的方式得到
// 正在运行的
public List<Programe> getRunningProcess() {
pi = new PackagesInfo(this);
am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
// 获取正在运行的应用
run = am.getRunningAppProcesses();
// 获取包管理器，在这里主要通过包名获取程序的图标和程序名
pm = this.getPackageManager();
List<Programe> list = new ArrayList<Programe>();
for (RunningAppProcessInfo ra : run) {
// 这里主要是过滤系统的应用和电话应用，当然你也可以把它注释掉。
if (ra.processName.equals("system")
|| ra.processName.equals("com.android.phone")) {
continue;
}
if (pi.getInfo(ra.processName) == null) {
continue;
}
int[] myMempid = new int[] { ra.pid };
Programe pr = new Programe();
String xx = "" + ra.processName;
Log.d("zphlog", "ra.processName=" + xx);
pr.setIcon(pi.getInfo(ra.processName).loadIcon(pm));
pr.setName(pi.getInfo(ra.processName).loadLabel(pm).toString());
System.out.println(pi.getInfo(ra.processName).loadLabel(pm)
.toString());
// PID
pr.setPID("PID:" + ra.pid);
// memory
Debug.MemoryInfo[] memoryInfo = am.getProcessMemoryInfo(myMempid);
double memSize = memoryInfo[0].dalvikPrivateDirty / 1024.0;
int temp = (int) (memSize * 100);
memSize = temp / 100.0;
pr.setMemory("Memory:" + memSize);
list.add(pr);
}
return list;
}
然后就是把得到的信息保存在listview的一个Adapter里面。
接着就是kill掉他们，我在网上看到有三种方式可以kill程序，我这里用的方法是
for (RunningAppProcessInfo ra : run) {
// 这里主要是过滤系统的应用和电话应用，当然你也可以把它注释掉。
if (ra.processName.equals("system")
|| ra.processName.equals("com.android.phone")) {
continue;
}
if (pi.getInfo(ra.processName) == null) {
continue;
}
am.killBackgroundProcesses(ra.processName);
// Log.d("zphlog","pid="+ra.pid);
}当然是在for循环里面进行的，后面就是加了一些其他的东西，比如启动的时候要扫描正在运行的程序需要一段时间，我们可以给程序启动的时候让它读取一个图片，停留两秒或者三秒来争取加载运行程序列表信息的时间。
我用的是一个Activity 命名StartUI.java
public class StartUI extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.welcome_activity);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Intent intent = new Intent(StartUI.this, ActivityMain.class);
startActivity(intent);
StartUI.this.finish();
}
}, 2500);
}
}它的布局文件其实就是个简单的ImageView。
下面附上我写的一个简单Demo，源码下载地址
http://download.csdn.net/detail/u010443618/7829959做好的Apk下载地址
http://download.csdn.net/detail/u010443618/7829977
如有疑问或者建议我乐意和大家交流
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