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前言
记录自定义EditText控件实现监听软键盘隐藏事件的功能。基本上和参考资料相同。
效果图
代码分析
自定义EditText子类，然后重写onKeyPreIme方法
@Override
public boolean onKeyPreIme(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == 1) {
Log.i("DownEditTextView", "键盘向下 ");
super.onKeyPreIme(keyCode, event);
if(onKeyBoardHideListener != null){
onKeyBoardHideListener.onKeyHide(keyCode, event);//回调
}
return false;
}
return super.onKeyPreIme(keyCode, event);
}
使用步骤
一、项目组织结构图
注意事项：
1、 导入类文件后需要change包名以及重新import R文件路径
2、 Values目录下的文件（strings.xml、dimens.xml、colors.xml等），如果项目中存在，则复制里面的内容，不要整个覆盖
二、导入步骤
将DownEditTextView复制到项目中
package com.why.project.androidcnblogsdemo.views.customedittext; import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.KeyEvent;
import android.widget.EditText; /**
* Created by HaiyuKing
* Used 对Android 软键盘向下的监听:https://blog.csdn.net/yxhuang2008/article/details/53822072
* Android软键盘弹出和收回监听：https://blog.csdn.net/wangkai1101/article/details/79066046
*/ @SuppressLint("AppCompatCustomView")
public class DownEditTextView extends EditText {
public DownEditTextView(Context context) {
super(context);
} public DownEditTextView(Context context, AttributeSet attrs) {
super(context, attrs);
} public DownEditTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
} @Override
public boolean onKeyPreIme(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == 1) {
Log.i("DownEditTextView", "键盘向下 ");
super.onKeyPreIme(keyCode, event);
if(onKeyBoardHideListener != null){
onKeyBoardHideListener.onKeyHide(keyCode, event);//回调
}
return false;
}
return super.onKeyPreIme(keyCode, event);
} /**
*键盘监听接口
*/
public OnKeyBoardHideListener onKeyBoardHideListener;
public void setOnKeyBoardHideListener(OnKeyBoardHideListener onKeyBoardHideListener) {
this.onKeyBoardHideListener = onKeyBoardHideListener;
} public interface OnKeyBoardHideListener{
void onKeyHide(int keyCode, KeyEvent event);
}
}
输入框背景图片资源input_box_send.9.png
三、使用方法
在布局文件中引用这个自定义控件【注意，实际项目中需要更改DownEditTextView的完整路径】
<?xml version="1.0" encoding="utf-8"?>
<!-- 自定义EditText的演示（监听软键盘隐藏） -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"> <com.why.project.androidcnblogsdemo.views.customedittext.DownEditTextView
android:id="@+id/edt_down"
android:layout_width="match_parent"
android:layout_height="48dp"
android:inputType="text"
android:hint="演示监听软键盘隐藏功能"
android:lines="1"
android:background="@drawable/input_box_send"
android:layout_margin="8dp"
/> </LinearLayout>
Activity中使用
package com.why.project.androidcnblogsdemo.activity; import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.widget.Toast; import com.why.project.androidcnblogsdemo.R;
import com.why.project.androidcnblogsdemo.views.customedittext.DownEditTextView; /**
* Created by HaiyuKing
* Used 自定义EditText的演示（监听软键盘隐藏）
*/ public class DownEditTextActivity extends AppCompatActivity {
private DownEditTextView mDownEditTextView; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_downedittext); initViews();
initEvents();
} private void initViews() {
mDownEditTextView = (DownEditTextView) findViewById(R.id.edt_down);
} private void initEvents() {
mDownEditTextView.setOnKeyBoardHideListener(new DownEditTextView.OnKeyBoardHideListener() {
@Override
public void onKeyHide(int keyCode, KeyEvent event) {
Toast.makeText(DownEditTextActivity.this,"软键盘隐藏了",Toast.LENGTH_SHORT).show();
}
});
}
}
混淆配置
无
参考资料
项目demo下载地址
上面已提供相关代码。