getDeviceWidth, getDeviceHeight : 获取手机分辨率
setTransparentStatusBar : 设置透明状态栏(api大于19方可使用)
hideStatusBar : 隐藏状态栏(注释萌萌哒)
getStatusBarHeight : 获取状态栏高度
isStatusBarExists : 判断状态栏是否存在
getActionBarHeight : 获取ActionBar高度
showNotificationBar : 显示通知栏
hideNotificationBar : 隐藏通知栏
setLandscape : 设置屏幕为横屏(注释萌萌哒)
snapShotWithStatusBar, snapShotWithoutStatusBar : 获取屏幕截图
isScreenLock : 判断是否锁屏
public class ScreenUtils {
private ScreenUtils() {
throw new UnsupportedOperationException("u can't instantiate me...");
}
/**
* 获取屏幕的宽度px
*
* @param context 上下文
* @return 屏幕宽px
*/
public static int getScreenWidth(Context context) {
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics dm = new DisplayMetrics();// 创建了一张白纸
windowManager.getDefaultDisplay().getMetrics(dm);// 给白纸设置宽高
return dm.widthPixels;
}
/**
* 获取屏幕的高度px
*
* @param context 上下文
* @return 屏幕高px
*/
public static int getScreenHeight(Context context) {
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics dm = new DisplayMetrics();// 创建了一张白纸
windowManager.getDefaultDisplay().getMetrics(dm);// 给白纸设置宽高
return dm.heightPixels;
}
/**
* 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
*
* @param context 上下文
* @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
*
* @param context 上下文
* @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 = BarUtils.getStatusBarHeight(activity);
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
*
* @param context 上下文
* @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();
}
}
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