package com.siberiadante.titlelayoutlib.utils; import android.annotation.TargetApi; import android.app.Activity; import android.app.KeyguardManager; import android.content.Context; import android.content.pm.ActivityInfo; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.Color; import android.os.Build; import android.provider.Settings; import android.util.DisplayMetrics; import android.view.Surface; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; /** * Created by SiberiaDante on 2017/5/4. * 屏幕相关工具类 */ public class ScreenUtil { private static final int INVALID_VAL = -1; private static final int COLOR_DEFAULT = Color.parseColor("#20000000"); private static final String STATUS_BAR_HEIGHT_RES_NAME = "status_bar_height"; public static float getDensity(Activity activity) { //屏幕dpi DisplayMetrics displayMetrics = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); return displayMetrics.density; } /** * @return 获取屏幕的宽 单位:px */ public static int getScreenWidthPx(Context context) { WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); windowManager.getDefaultDisplay().getMetrics(dm); return dm.widthPixels; } /** * @return 获取屏幕的高 单位:px */ public static int getScreenHeightPx(Context context) { WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); windowManager.getDefaultDisplay().getMetrics(dm); return dm.heightPixels; } /** * 获取屏幕的宽度(单位:px) * * @return 屏幕宽 */ public static int getScreenWidth(Context context) { return context.getResources().getDisplayMetrics().widthPixels; } /** * 获取屏幕的高度(单位:px) * * @return 屏幕高 */ public static int getScreenHeight(Context context) { return context.getResources().getDisplayMetrics().heightPixels; } /** * @return 获取屏幕的宽 单位:dp */ public static int getScreenWidthDp(Context context) { WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); windowManager.getDefaultDisplay().getMetrics(dm); return TransitionTools.px2dip(context, dm.widthPixels); } /** * @return 获取屏幕的高 单位:dp */ public static int getScreenHeightDp(Context context) { WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); windowManager.getDefaultDisplay().getMetrics(dm); return TransitionTools.px2dip(context, dm.heightPixels); } /** * 透明状态栏 * 需要设置的xml中增加属性: * android:clipToPadding="true" * android:fitsSystemWindows="true" * * @param activity */ public static void setStatusTranslucent(Activity activity) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { //透明状态栏 activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); } } /** * 透明导航栏 * * @param activity */ public static void setNavigationTranslucent(Activity activity) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { //透明导航栏 activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); } } /** * 透明状态栏和透明导航栏 * * @param activity */ public static void setTranslucent(Activity activity) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { //透明状态栏 activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); //透明导航栏 activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); } } /** * 设置全屏 * * @param activity */ public static void setFullScreen(Activity activity) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { Window window = activity.getWindow(); window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_STABLE); window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); window.setStatusBarColor(Color.TRANSPARENT); window.setNavigationBarColor(Color.TRANSPARENT); } } /** * 计算状态栏高度 * * @return 状态栏高度 */ public static int getStatusBarHeight() { return getInternalDimensionSize(Resources.getSystem(), STATUS_BAR_HEIGHT_RES_NAME); } private static int getInternalDimensionSize(Resources res, String key) { int result = 0; int resourceId = res.getIdentifier(key, "dimen", "android"); if (resourceId > 0) { result = res.getDimensionPixelSize(resourceId); } return result; } @TargetApi(Build.VERSION_CODES.LOLLIPOP) public static void compat(Activity activity, int statusColor) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { if (statusColor != INVALID_VAL) { activity.getWindow().setStatusBarColor(statusColor); } return; } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { int color = COLOR_DEFAULT; ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content); if (statusColor != INVALID_VAL) { color = statusColor; } View statusBarView = contentView.getChildAt(0); //改变颜色时避免重复添加statusBarView if (statusBarView != null && statusBarView.getMeasuredHeight() == getStatusBarHeight(activity)) { statusBarView.setBackgroundColor(color); return; } statusBarView = new View(activity); ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity)); statusBarView.setBackgroundColor(color); contentView.addView(statusBarView, lp); } } public static void compat(Activity activity) { compat(activity, INVALID_VAL); } public static int getStatusBarHeight(Context context) { int result = 0; int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android"); if (resourceId > 0) { result = context.getResources().getDimensionPixelSize(resourceId); } return result; } /** * 设置屏幕为横屏 * <p>还有一种就是在Activity中加属性android:screenOrientation="landscape"</p> * <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> * <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> * <p>设置Activity的android:configChanges="orientation|keyboardHidden|screenSize"(4.0以上必须带最后一个参数)时 * 切屏不会重新调用各个生命周期,只会执行onConfigurationChanged方法</p> * * @param activity activity */ public static void setLandscape(Activity activity) { activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); } /** * 设置屏幕为竖屏 * * @param activity activity */ public static void setPortrait(Activity activity) { activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } /** * 判断是否横屏 * * @return {@code true}: 是<br>{@code false}: 否 */ public static boolean isLandscape(Context context) { return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE; } /** * 判断是否竖屏 * * @return {@code true}: 是<br>{@code false}: 否 */ public static boolean isPortrait(Context context) { return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT; } /** * 获取屏幕旋转角度 * * @param activity activity * @return 屏幕旋转角度 */ public static int getScreenRotation(Activity activity) { switch (activity.getWindowManager().getDefaultDisplay().getRotation()) { default: case Surface.ROTATION_0: return 0; case Surface.ROTATION_90: return 90; case Surface.ROTATION_180: return 180; case Surface.ROTATION_270: return 270; } } /** * 获取当前屏幕截图,包含状态栏 * * @param activity activity * @return Bitmap */ public static Bitmap captureWithStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); DisplayMetrics dm = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getMetrics(dm); Bitmap ret = Bitmap.createBitmap(bmp, 0, 0, dm.widthPixels, dm.heightPixels); view.destroyDrawingCache(); return ret; } /** * 获取当前屏幕截图,不包含状态栏 * * @param activity activity * @return Bitmap */ public static Bitmap captureWithoutStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); int statusBarHeight = getStatusBarHeight(activity);//获取状态栏高度 DisplayMetrics dm = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getMetrics(dm); Bitmap ret = Bitmap.createBitmap(bmp, 0, statusBarHeight, dm.widthPixels, dm.heightPixels - statusBarHeight); view.destroyDrawingCache(); return ret; } /** * 判断是否锁屏 * * @return {@code true}: 是<br>{@code false}: 否 */ public static boolean isScreenLock(Context context) { KeyguardManager km = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE); return km.inKeyguardRestrictedInputMode(); } /** * 设置进入休眠时长 * <p>需添加权限 {@code <uses-permission android:name="android.permission.WRITE_SETTINGS" />}</p> * * @param duration 时长 */ public static void setSleepDuration(Context context, int duration) { Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_OFF_TIMEOUT, duration); } /** * 获取进入休眠时长 * * @return 进入休眠时长,报错返回-123 */ public static int getSleepDuration(Context context) { try { return Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_OFF_TIMEOUT); } catch (Settings.SettingNotFoundException e) { e.printStackTrace(); return -123; } } }