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ViewUtils.java
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69 lines (61 loc) · 1.92 KB
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import android.graphics.drawable.Drawable;
import android.os.Build;
import android.view.View;
public class ViewUtils {
/**
* Set view alpha
* 设置透明度
*
* @param view view
* @param alpha alpha value
*/
public static void setAlpha(View view, int alpha) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
view.setAlpha(alpha / 255.0f);
} else {
Drawable drawable = view.getBackground();
if (drawable != null) {
drawable.setAlpha(alpha);
}
}
}
/**
* 根据Android系统版本，调用版本API中的设置View背景的方法
* According to the Android version, calls the Settings in the View background method of version
* API
*
* @param view view
* @param drawable drawable
*/
public static void setViewBackgroundDrawable(View view, Drawable drawable) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
view.setBackground(drawable);
} else {
view.setBackgroundDrawable(drawable);
}
}
/**
* 获取View在当前窗口内的绝对坐标
* obtain the absolute coordinates to obtain the View within the current window
*
* @param view view
* @return int[] x y
*/
public static int[] getLocationInWindow(View view) {
int[] location = new int[2];
view.getLocationInWindow(location);
return location;
}
/**
* 获取View在整个屏幕内的绝对坐标
* obtain access to View the absolute coordinates of within the entire screen
*
* @param view view
* @return int[] x y
*/
public static int[] getLocationOnScreen(View view) {
int[] location = new int[2];
view.getLocationOnScreen(location);
return location;
}
}