SmileyPickerUtility.java

package com.jasonchen.microlang.smilepicker;

import android.app.Activity;
import android.content.Context;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.View;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;

import com.jasonchen.microlang.debug.AppLogger;
import com.jasonchen.microlang.settings.SettingUtility;
import com.jasonchen.microlang.utils.GlobalContext;
import com.jasonchen.microlang.utils.ThemeUtility;
import com.jasonchen.microlang.utils.Utility;

/**
 * jasonchen
 * 2015/04/10
 */
public class SmileyPickerUtility {

	public static void hideSoftInput(View paramEditText) {
		((InputMethodManager) GlobalContext.getInstance().getSystemService(
				Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(
				paramEditText.getWindowToken(), 0);
	}

	public static void showKeyBoard(final View paramEditText) {
		paramEditText.requestFocus();
		paramEditText.post(new Runnable() {
			@Override
			public void run() {
				((InputMethodManager) GlobalContext.getInstance()
						.getSystemService(Context.INPUT_METHOD_SERVICE))
						.showSoftInput(paramEditText, 0);
			}
		});
	}

	public static int getScreenHeight(Activity paramActivity) {
		Display display = paramActivity.getWindowManager().getDefaultDisplay();
		DisplayMetrics metrics = new DisplayMetrics();
		display.getMetrics(metrics);
		return metrics.heightPixels;
	}

	public static int getStatusBarHeight(Activity paramActivity) {
		Rect localRect = new Rect();
		paramActivity.getWindow().getDecorView()
				.getWindowVisibleDisplayFrame(localRect);
		return localRect.top;
	}

	public static int getActionBarHeight(Activity paramActivity) {
		// test on samsung 9300 android 4.1.2, this value is 96px
		// but on galaxy nexus android 4.2, this value is 146px
		// statusbar height is 50px
		// I guess 4.1 Window.ID_ANDROID_CONTENT contain statusbar
		int contentViewTop = paramActivity.getWindow()
				.findViewById(Window.ID_ANDROID_CONTENT).getTop();
		AppLogger.e("contentViewTop=" + contentViewTop);

		// return contentViewTop - getStatusBarHeight(paramActivity);

		return ThemeUtility.getDimensionPixelSize(paramActivity,
				android.R.attr.actionBarSize, Utility.dip2px(48));
	}

	// below status bar,include actionbar, above softkeyboard
	public static int getAppHeight(Activity paramActivity) {
		Rect localRect = new Rect();
		paramActivity.getWindow().getDecorView()
				.getWindowVisibleDisplayFrame(localRect);
		return localRect.height();
	}

	// below actionbar, above softkeyboard
	public static int getAppContentHeight(Activity paramActivity) {
		return SmileyPickerUtility.getScreenHeight(paramActivity)
				- SmileyPickerUtility.getStatusBarHeight(paramActivity)
				- SmileyPickerUtility.getKeyboardHeight(paramActivity);
	}

	public static int getKeyboardHeight(Activity paramActivity) {

		int height = SmileyPickerUtility.getScreenHeight(paramActivity)
				- SmileyPickerUtility.getStatusBarHeight(paramActivity)
				- SmileyPickerUtility.getAppHeight(paramActivity);
		if (height == 0) {
			height = SettingUtility.getDefaultSoftKeyBoardHeight();
		}

		SettingUtility.setDefaultSoftKeyBoardHeight(height);

		return height;
	}

	public static boolean isKeyBoardShow(Activity paramActivity) {
		int height = SmileyPickerUtility.getScreenHeight(paramActivity)
				- SmileyPickerUtility.getStatusBarHeight(paramActivity)
				- SmileyPickerUtility.getAppHeight(paramActivity);
		return height != 0;
	}
}