Android获取包名版本号，获取屏幕宽高。

private String getAppInfo() {
  try {
    String pkName = this.getPackageName();
    String versionName = this.getPackageManager().getPackageInfo(pkName, 0).versionName;
    int versionCode = this.getPackageManager().getPackageInfo(pkName, 0).versionCode;
    return pkName + "" + versionName + " " + versionCode;
  } catch (Exception e) {
  }
  return null;
 }

WindowManager manager = (WindowManager)SpUtil.getActivity().getSystemService(Context.WINDOW_SERVICE);
Display display = manager.getDefaultDisplay();
int width =display.getWidth();
int height=display.getHeight();
//LinearLayout.LayoutParams linearParams = (LinearLayout.LayoutParams)llDoalig.getLayoutParams();
//linearParams.width = (int) (width/1.5);
//linearParams.height = height/4;
//view.setLayoutParams(linearParams);