KeyboardUtils.java

package cn.bingoogolapple.weibo.util;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.os.Handler;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

/**
 * 作者:王浩 邮件:bingoogolapple@gmail.com
 * 创建时间:15/7/3 上午12:57
 * 描述:
 */
public class KeyboardUtils {

    private KeyboardUtils() {
    }

    /**
     * 关闭activity中打开的键盘
     * @param activity
     */
    public static void closeKeyboard(Activity activity) {
        View view = activity.getWindow().peekDecorView();
        if (view != null) {
            InputMethodManager inputMethodManager = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
            inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
        }
    }

    /**
     * 关闭dialog中打开的键盘
     * @param dialog
     */
    public static void closeKeyboard(Dialog dialog) {
        View view = dialog.getWindow().peekDecorView();
        if (view != null) {
            InputMethodManager inputMethodManager = (InputMethodManager) dialog.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
            inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
        }
    }

    /**
     * 打开键盘
     * @param context
     * @param editText
     */
    public static void openKeyboard(final Context context, final EditText editText) {
        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                editText.requestFocus();
                editText.setSelection(editText.getText().toString().length());
                InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
                imm.showSoftInput(editText, InputMethodManager.SHOW_FORCED);
            }
        }, 300);
    }

}