package com.zwj.demo_popupwindow;
import android.content.Context;
import android.util.Log;
import android.util.TypedValue;
import android.view.WindowManager;
import android.widget.TextView;
/**
*
*/
public class AutoSize {
/**
* 1,使用前必须确定设计模板的尺寸
* 2,在Activity的onCreate方法当中调用init()进行初始化
* 3,为TextView设置大小的时候,调用autoTextView()方法进行
*/
private static int design_width = 720;
private static int design_height = 1280;
private static double width_per;
private static double height_per;
public static void init(Context mContext) {
WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
width_per = (double) wm.getDefaultDisplay().getWidth() / design_width;
height_per = (double) wm.getDefaultDisplay().getHeight() / design_height;
if (width_per == 0 || height_per == 0) {
try {
throw new Throwable("没有获取到屏幕的宽高");
} catch (Throwable throwable) {
throwable.printStackTrace();
}
} else {
Log.i("AutoSize:", "屏幕宽的比率是:" + width_per + "屏幕高的比率是:" + height_per);
}
}
/**
* 适配宽
*
* @param size
* @return
*/
public static int autoWeight(int size) {
int autoSize = (int) (width_per * size);
Log.i("AutoSize:适配后的width为:", autoSize + "");
return autoSize;
}
/**
* 设配高
*
* @param size
* @return
*/
public static int autoHeight(int size) {
int autoSize = (int) (height_per * size);
Log.i("AutoSize:适配后的height为:", autoSize + "");
return autoSize;
}
/**
* 适配TextView字体
*
* @param view
* @param size
* @return
*/
public static void autoTextView(TextView view, float size) {
view.setTextSize(TypedValue.COMPLEX_UNIT_PX, autoSize(size));
}
private static float autoSize(float size) {
float autoSize = (float) (width_per * size);
Log.i("AutoSize:适配后的height为:", autoSize + "");
return autoSize;
}
}
