Android KeyBoardUtils-打开或关闭软键盘

KeyBoardUtils软键盘控制
本文介绍了一个名为KeyBoardUtils的实用工具类,该类提供了一种简单的方法来控制Android应用中的软键盘显示与隐藏。它包括两个主要功能:打开软键盘和关闭软键盘。

KeyBoardUtils是一个打开或关闭软键盘类

功能:

1.打开软键盘

2.关闭软键盘

import android.content.Context;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

//打开或关闭软键盘
public class KeyBoardUtils
{
	/**
	 * 打开软键盘
	 * 
	 * @param mEditText输入框
	 * @param mContext上下文
	 */
	public static void openKeybord(EditText mEditText, Context mContext)
	{
		InputMethodManager imm = (InputMethodManager) mContext
				.getSystemService(Context.INPUT_METHOD_SERVICE);
		imm.showSoftInput(mEditText, InputMethodManager.RESULT_SHOWN);
		imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,
				InputMethodManager.HIDE_IMPLICIT_ONLY);
	}

	/**
	 * 关闭软键盘
	 * 
	 * @param mEditText输入框
	 * @param mContext上下文
	 */
	public static void closeKeybord(EditText mEditText, Context mContext)
	{
		InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);

		imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0);
	}
}


package com.vay.xpress.tools; import android.app.Activity; import android.content.Context; import android.content.res.Resources; import android.graphics.Rect; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.os.ResultReceiver; import android.util.Log; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver.OnGlobalLayoutListener; import android.view.Window; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.EditText; import android.widget.FrameLayout; import androidx.annotation.NonNull; import java.lang.reflect.Field; public final class KeyboardUtils { private static int sDecorViewDelta = 0; private static int getDecorViewInvisibleHeight(@NonNull final Window window) { final View decorView = window.getDecorView(); final Rect outRect = new Rect(); decorView.getWindowVisibleDisplayFrame(outRect); Log.d("KeyboardUtils", "getDecorViewInvisibleHeight: " + (decorView.getBottom() - outRect.bottom)); int delta = Math.abs(decorView.getBottom() - outRect.bottom); if (delta <= getNavBarHeight() + getStatusBarHeight()) { sDecorViewDelta = delta; return 0; } return delta - sDecorViewDelta; } /** * Fix the bug of 5497 in Android. * <p>It will clean the adjustResize</p> * * @param window The window. */ public static void fixAndroidBug5497(@NonNull final Window window) { int softInputMode = window.getAttributes().softInputMode; window.setSoftInputMode( softInputMode & ~WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); final FrameLayout contentView = window.findViewById(android.R.id.content); final View contentViewChild = contentView.getChildAt(0); final int paddingBottom = contentViewChild.getPaddingBottom(); final int[] contentViewInvisibleHeightPre5497 = { getContentViewInvisibleHeight(window) }; contentView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() { @Override public void onGlobalLayout() { int height = getContentViewInvisibleHeight(window); if (contentViewInvisibleHeightPre5497[0] != height) { contentViewChild.setPadding(contentViewChild.getPaddingLeft(), contentViewChild.getPaddingTop(), contentViewChild.getPaddingRight(), paddingBottom + getDecorViewInvisibleHeight(window)); contentViewInvisibleHeightPre5497[0] = height; } } }); } private static int getContentViewInvisibleHeight(final Window window) { final View contentView = window.findViewById(android.R.id.content); if (contentView == null) { return 0; } final Rect outRect = new Rect(); contentView.getWindowVisibleDisplayFrame(outRect); Log.d("KeyboardUtils", "getContentViewInvisibleHeight: " + (contentView.getBottom() - outRect.bottom)); int delta = Math.abs(contentView.getBottom() - outRect.bottom); if (delta <= getStatusBarHeight() + getNavBarHeight()) { return 0; } return delta; } public static int getNavBarHeight() { Resources res = Resources.getSystem(); int resourceId = res.getIdentifier("navigation_bar_height", "dimen", "android"); if (resourceId != 0) { return res.getDimensionPixelSize(resourceId); } else { return 0; } } public static int getStatusBarHeight() { Resources resources = Resources.getSystem(); int resourceId = resources.getIdentifier("status_bar_height", "dimen", "android"); return resources.getDimensionPixelSize(resourceId); } } 把上面安卓端代码,不用反射,用新代码重新写一遍
最新发布
07-23
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