Java tutorial
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See the License for the specific language governing permissions and limitations under * the License. */ package com.cardvlaue.sys.util; import android.app.Activity; import android.content.Context; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Point; import android.os.Build; import android.support.v4.app.FragmentActivity; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.util.DisplayMetrics; import android.util.Log; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.LinearLayout; import java.lang.reflect.Field; import java.lang.reflect.Method; /** * <p>?<p/> Created by cardvalue on 2016/4/1. */ public class ScreenUtil { private static final String TAG = "WXTBUtil"; private static boolean isSupportSmartBar = false; static { isSupportSmartBar = isSupportSmartBar(); } /** * ???Flyme4.0 ???Flyme * * @param window ?? * @param dark ???? * @return boolean ?true */ public static boolean FlymeSetStatusBarLightMode(Window window, boolean dark) { boolean result = false; if (window != null) { try { WindowManager.LayoutParams lp = window.getAttributes(); Field darkFlag = WindowManager.LayoutParams.class .getDeclaredField("MEIZU_FLAG_DARK_STATUS_BAR_ICON"); Field meizuFlags = WindowManager.LayoutParams.class.getDeclaredField("meizuFlags"); darkFlag.setAccessible(true); meizuFlags.setAccessible(true); int bit = darkFlag.getInt(null); int value = meizuFlags.getInt(lp); if (dark) { value |= bit; } else { value &= ~bit; } meizuFlags.setInt(lp, value); window.setAttributes(lp); result = true; } catch (Exception e) { // e.printStackTrace(); } } return result; } /** * ?????MIUI 6? */ public static void setStatusBarDarkMode(boolean darkmode, Activity activity) { Class<? extends Window> clazz = activity.getWindow().getClass(); try { int darkModeFlag = 0; Class<?> layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams"); Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE"); darkModeFlag = field.getInt(layoutParams); Method extraFlagField = clazz.getMethod("setExtraFlags", int.class, int.class); extraFlagField.invoke(activity.getWindow(), darkmode ? darkModeFlag : 0, darkModeFlag); } catch (Exception e) { // e.printStackTrace(); } } /* /** * ???MIUIV6 * @param window ?? * @param dark ???? * @return boolean ?true * public static boolean MIUISetStatusBarLightMode(Window window, boolean dark) { boolean result = false; if (window != null) { Class clazz = window.getClass(); try { int darkModeFlag = 0; Class layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams"); Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE"); darkModeFlag = field.getInt(layoutParams); Method extraFlagField = clazz.getMethod("setExtraFlags", int.class, int.class); if(dark){ extraFlagField.invoke(window,darkModeFlag,darkModeFlag);//??? }else{ extraFlagField.invoke(window, 0, darkModeFlag);// } result=true; }catch (Exception e){ } } return result; } */ public static void statusBarHeight(Resources resources, View view) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { int resourceId = resources.getIdentifier("status_bar_height", "dimen", "android"); if (resourceId > 0) { int statusBarHeight = resources.getDimensionPixelSize(resourceId); if (statusBarHeight > 0) { view.setLayoutParams( new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, statusBarHeight)); } } } else { view.setVisibility(View.GONE); } } public static int dp2px(Context context, float dp) { float density = context.getResources().getDisplayMetrics().density; return (int) (dp * density + 0.5f); } /** * ?? */ public static int screenWidth(Activity activity) { DisplayMetrics outMetrics = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getMetrics(outMetrics); return outMetrics.widthPixels; } /** * ?? */ public static void hideSoftInput(Context context, View view) { InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(view.getWindowToken(), 0); } public static int getDisplayWidth(AppCompatActivity activity) { int width = 0; if (activity != null && activity.getWindowManager() != null && activity.getWindowManager().getDefaultDisplay() != null) { Point point = new Point(); activity.getWindowManager().getDefaultDisplay().getSize(point); width = point.x; } return width; } public static int getDisplayHeight(AppCompatActivity activity) { int height = 0; if (activity != null && activity.getWindowManager() != null && activity.getWindowManager().getDefaultDisplay() != null) { Point point = new Point(); activity.getWindowManager().getDefaultDisplay().getSize(point); height = point.y; } Log.e(TAG, "isSupportSmartBar:" + isSupportSmartBar); if (isSupportSmartBar) { int smartBarHeight = getSmartBarHeight(activity); Log.e(TAG, "smartBarHeight:" + smartBarHeight); height -= smartBarHeight; } if (activity.getSupportActionBar() != null) { int actionbar = activity.getSupportActionBar().getHeight(); if (actionbar == 0) { TypedArray actionbarSizeTypedArray = activity .obtainStyledAttributes(new int[] { android.R.attr.actionBarSize }); actionbar = (int) actionbarSizeTypedArray.getDimension(0, 0); } Log.d(TAG, "actionbar:" + actionbar); height -= actionbar; } int status = getStatusBarHeight(activity); Log.d(TAG, "status:" + status); height -= status; Log.d(TAG, "height:" + height); return height; } private static int getStatusBarHeight(AppCompatActivity activity) { Class<?> c; Object obj; Field field; int x; int statusBarHeight = 0; try { c = Class.forName("com.android.internal.R$dimen"); obj = c.newInstance(); field = c.getField("status_bar_height"); x = Integer.parseInt(field.get(obj).toString()); statusBarHeight = activity.getResources().getDimensionPixelSize(x); } catch (Exception e1) { e1.printStackTrace(); } return statusBarHeight; } private static int getSmartBarHeight(AppCompatActivity activity) { ActionBar actionbar = activity.getSupportActionBar(); if (actionbar != null) { try { Class c = Class.forName("com.android.internal.R$dimen"); Object obj = c.newInstance(); Field field = c.getField("mz_action_button_min_height"); int height = Integer.parseInt(field.get(obj).toString()); return activity.getResources().getDimensionPixelSize(height); } catch (Exception e) { e.printStackTrace(); actionbar.getHeight(); } } return 0; } private static boolean isSupportSmartBar() { try { final Method method = Build.class.getMethod("hasSmartBar"); return method != null; } catch (final Exception e) { return false; } } }