package com.moral.andbrickslib.utils;
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import android.app.Activity;
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import android.app.KeyguardManager;
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import android.content.Context;
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import android.content.pm.ActivityInfo;
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import android.content.res.Configuration;
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import android.graphics.Bitmap;
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import android.util.DisplayMetrics;
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import android.view.Surface;
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import android.view.View;
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import android.view.WindowManager;
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/**
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* 屏幕相关工具类
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*/
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public class ScreenUtils {
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private ScreenUtils() {
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throw new UnsupportedOperationException("u can't instantiate me...");
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}
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/**
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* 获取屏幕的宽度px
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*
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* @param context 上下文
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* @return 屏幕宽px
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*/
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public static int getScreenWidth(Context context) {
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WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
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DisplayMetrics dm = new DisplayMetrics();// 创建了一张白纸
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windowManager.getDefaultDisplay().getMetrics(dm);// 给白纸设置宽高
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return dm.widthPixels;
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}
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/**
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* 获取屏幕的高度px
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*
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* @param context 上下文
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* @return 屏幕高px
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*/
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public static int getScreenHeight(Context context) {
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WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
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DisplayMetrics dm = new DisplayMetrics();// 创建了一张白纸
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windowManager.getDefaultDisplay().getMetrics(dm);// 给白纸设置宽高
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return dm.heightPixels;
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}
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/**
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* 设置屏幕为横屏
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* <p>还有一种就是在Activity中加属性android:screenOrientation="landscape"</p>
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* <p>不设置Activity的android:configChanges时，切屏会重新调用各个生命周期，切横屏时会执行一次，切竖屏时会执行两次</p>
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* <p>设置Activity的android:configChanges="orientation"时，切屏还是会重新调用各个生命周期，切横、竖屏时只会执行一次</p>
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* <p>设置Activity的android:configChanges="orientation|keyboardHidden|screenSize"（4.0以上必须带最后一个参数）时
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* 切屏不会重新调用各个生命周期，只会执行onConfigurationChanged方法</p>
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*
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* @param activity activity
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*/
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public static void setLandscape(Activity activity) {
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activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
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}
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/**
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* 设置屏幕为竖屏
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*
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* @param activity activity
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*/
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public static void setPortrait(Activity activity) {
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activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
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}
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/**
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* 判断是否横屏
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*
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* @param context 上下文
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* @return {@code true}: 是<br>{@code false}: 否
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*/
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public static boolean isLandscape(Context context) {
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return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
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}
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/**
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* 判断是否竖屏
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*
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* @param context 上下文
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* @return {@code true}: 是<br>{@code false}: 否
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*/
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public static boolean isPortrait(Context context) {
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return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT;
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}
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/**
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* 获取屏幕旋转角度
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*
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* @param activity activity
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* @return 屏幕旋转角度
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*/
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public static int getScreenRotation(Activity activity) {
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switch (activity.getWindowManager().getDefaultDisplay().getRotation()) {
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default:
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case Surface.ROTATION_0:
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return 0;
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case Surface.ROTATION_90:
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return 90;
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case Surface.ROTATION_180:
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return 180;
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case Surface.ROTATION_270:
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return 270;
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}
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}
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/**
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* 获取当前屏幕截图，包含状态栏
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*
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* @param activity activity
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* @return Bitmap
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*/
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public static Bitmap captureWithStatusBar(Activity activity) {
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View view = activity.getWindow().getDecorView();
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view.setDrawingCacheEnabled(true);
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view.buildDrawingCache();
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Bitmap bmp = view.getDrawingCache();
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DisplayMetrics dm = new DisplayMetrics();
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activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
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Bitmap ret = Bitmap.createBitmap(bmp, 0, 0, dm.widthPixels, dm.heightPixels);
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view.destroyDrawingCache();
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return ret;
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}
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/**
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* 获取当前屏幕截图，不包含状态栏
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*
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* @param activity activity
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* @return Bitmap
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*/
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public static Bitmap captureWithoutStatusBar(Activity activity) {
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View view = activity.getWindow().getDecorView();
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view.setDrawingCacheEnabled(true);
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view.buildDrawingCache();
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Bitmap bmp = view.getDrawingCache();
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int statusBarHeight = StatusBarUtil.getStatusBarHeight(activity);
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DisplayMetrics dm = new DisplayMetrics();
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activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
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Bitmap ret = Bitmap.createBitmap(bmp, 0, statusBarHeight, dm.widthPixels, dm.heightPixels - statusBarHeight);
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view.destroyDrawingCache();
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return ret;
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}
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/**
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* 判断是否锁屏
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*
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* @param context 上下文
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* @return {@code true}: 是<br>{@code false}: 否
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*/
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public static boolean isScreenLock(Context context) {
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KeyguardManager km = (KeyguardManager) context
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.getSystemService(Context.KEYGUARD_SERVICE);
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return km.inKeyguardRestrictedInputMode();
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}
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}
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