注：杀死全部进程实际上杀死的是用户的所有进程，系统进程是无法杀死的，所以这里要获取到用户的所有的进程。
/*
* 获取某个进程占用的内存信息
*/
ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
int[] pids = {userRunningAppProcessInfos.get(position).pid};
android.os.Debug.MemoryInfo[] memoryInfos = am.getProcessMemoryInfo(pids);
int memorysize = memoryInfos[0].getTotalPrivateDirty();
tv_app_memory.setText("内存占用为 "+ memorysize +" KB");
public class TaskInfo {
Context context ;
PackageManager pm ;
public TaskInfo(Context context) {
this.context = context;
pm = context.getPackageManager();
}
/*
* 根据包名 查询 图标
*/
public Drawable getAppIcon(String packname){
try {
ApplicationInfo info = pm.getApplicationInfo(packname, 0);
return info.loadIcon(pm);
} catch (NameNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
/*
*获取程序的版本号
*/
public String getAppVersion(String packname){
try {
PackageInfo packinfo = pm.getPackageInfo(packname, 0);
return packinfo.versionName;
} catch (NameNotFoundException e) {
e.printStackTrace();
return null;
}
}
/*
* 获取程序的名字
*/
public String getAppName(String packname){
try {
ApplicationInfo info = pm.getApplicationInfo(packname, 0);
return info.loadLabel(pm).toString();
} catch (NameNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
/*
* 获取程序的权限
*/
public String[] getAppPremission(String packname){
try {
PackageInfo packinfo = pm.getPackageInfo(packname, PackageManager.GET_PERMISSIONS);
//获取到所有的权限
return packinfo.requestedPermissions;
} catch (NameNotFoundException e) {
e.printStackTrace();
return null;
}
}
/*
* 获取程序的签名
*/
public String getAppSignature(String packname){
try {
PackageInfo packinfo = pm.getPackageInfo(packname, PackageManager.GET_SIGNATURES);
//获取到所有的权限
return packinfo.signatures[0].toCharsString();
} catch (NameNotFoundException e) {
e.printStackTrace();
return null;
}
}
}
/*
* 杀死所有进程
*/
private void killAll() {
for (int i = 0 ; i< userRunningAppProcessInfos.size();i++){
System.out.println(userRunningAppProcessInfos.get(i).processName);
activitymanager.restartPackage(userRunningAppProcessInfos.get(i).processName);
}
// 更新显示的界面
pd.show();
new Thread(){
@Override
public void run() {
initData();
Message msg = new Message();
msg.what = GET_RUNNING_APP_FINISH;
hander.sendMessage(msg);
}
}.start();
}
/*
* 杀死选择的进程
*/
private void killSelected() {
for (int i=0 ;i < isselected.size(); i++){
if(isselected.get(i)){ //如果用户也选中则返回true
//终止一个activity 需要用到 activitymanager
activitymanager.restartPackage(userRunningAppProcessInfos.get(i).processName);
}
}
//更新listview的显示
pd.show();
new Thread(){
@Override
public void run() {
initData();
Message msg = new Message();
msg.what = GET_RUNNING_APP_FINISH;
hander.sendMessage(msg);
}
}.start();
}
