android 代码片段

 

/** 获取未安装的APK信息

* @param context

* @param archiveFilePath APK文件的路径。如：/sdcard/download/XX.apk

*/

public void getUninatllApkInfo(Context context, String archiveFilePath){

PackageManager pm = context.getPackageManager();

PackageInfo info = pm.getPackageArchiveInfo(archiveFilePath, PackageManager.GET_ACTIVITIES);

if(info != null){

ApplicationInfo appInfo = info.applicationInfo;

String appName = pm.getApplicationLabel(appInfo).toString();

String packageName = appInfo.packageName;

Drawable icon = pm.getApplicationIcon(appInfo);

}

}

显示和隐藏软键盘

InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);

View view = this.getCurrentFocus();

if (view != null){

   imm.showSoftInput(view, 0); //显示软键盘

   imm.hideSoftInputFromWindow(view.getWindowToken(), 0);//隐藏软键盘

}