Android应用中出现软键盘遮挡住按钮如何解决

发布时间：2020-11-20 16:25:47

来源：亿速云

阅读：110

作者：Leah

Android应用中出现软键盘遮挡住按钮如何解决？相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

如图：

实现1

xml

android:id="@+id/scrollview"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:fadingEdge="none"

android:scrollbars="none">

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="vertical">

android:layout_width="100dp"

android:layout_height="100dp"

android:layout_gravity="center_horizontal"

android:layout_marginTop="20dp"

android:src="@mipmap/ic_loginhead"/>

android:id="@+id/et_usernamelogin_username"

android:layout_width="match_parent"

android:layout_height="40dp"

android:layout_marginTop="10dp"

android:background="@null"

android:hint="请输入已验证手机"

android:inputType="number"

android:lines="1"

android:maxLength="11"/>

android:layout_width="match_parent"

android:layout_height="2px"

android:layout_marginLeft="50dp"

android:layout_marginRight="50dp"

android:background="@color/pating_line"/>

android:id="@+id/et_usernamelogin_password"

android:layout_width="match_parent"

android:layout_height="40dp"

android:layout_marginTop="20dp"

android:background="@null"

android:digits="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_?"

android:hint="请输入密码"

android:inputType="textPassword"/>

android:layout_width="match_parent"

android:layout_height="2px"

android:layout_marginLeft="50dp"

android:layout_marginRight="50dp"

android:background="@color/pating_line"/>

android:id="@+id/btn_usernamelogin_dologin"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_gravity="center_horizontal"

android:layout_marginLeft="50dp"

android:layout_marginRight="50dp"

android:layout_marginTop="30dp"

android:background="@drawable/btn_selecter"

android:enabled="false"

android:text="登录"

android:textColor="@color/white"

/>

java

mScrollView=(ScrollView)view.findViewById(R.id.scrollview);

usernamelogin_username.setOnTouchListener(newView.OnTouchListener(){

@Override

publicbooleanonTouch(Viewv,MotionEventevent){

changeScrollView();

returnfalse;

}

});

usernamelogin_password.setOnTouchListener(newView.OnTouchListener(){

@Override

publicbooleanonTouch(Viewv,MotionEventevent){

changeScrollView();

returnfalse;

}

});

/**

*使ScrollView指向底部

*/

privatevoidchangeScrollView(){

newHandler().postDelayed(newRunnable(){

@Override

publicvoidrun(){

mScrollView.scrollTo(0,mScrollView.getHeight());

}

},300);

}

实现2

xml同上

anim下新建gone.xml

android:fromXScale="1.0"

android:toXScale="0.0"

android:fromYScale="1.0"

android:toYScale="0.0"

android:pivotX="50%"

android:pivotY="50%"

android:duration="500"

android:repeatCount="0"/>

visiable.xml

android:fromXScale="0.0"

android:toXScale="1.0"

android:fromYScale="0.0"

android:toYScale="1.0"

android:pivotX="50%"

android:pivotY="50%"

android:duration="500"

android:repeatCount="0"/>

或者直接在代码中

importandroid.os.Bundle;

importandroid.os.Handler;

importandroid.support.v7.app.AppCompatActivity;

importandroid.view.KeyEvent;

importandroid.view.MotionEvent;

importandroid.view.View;

importandroid.view.animation.Animation;

importandroid.view.animation.AnimationSet;

importandroid.view.animation.ScaleAnimation;

importandroid.widget.Button;

importandroid.widget.EditText;

importandroid.widget.ImageView;

publicclassMainActivityextendsAppCompatActivity{

privateImageViewmHead;//头部ImageView

@Override

protectedvoidonCreate(BundlesavedInstanceState){

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

mHead=(ImageView)findViewById(R.id.iv_head);

finalButtonbtn=(Button)findViewById(R.id.btn_usernamelogin_dologin);

finalEditTextet_pass=(EditText)findViewById(R.id.et_usernamelogin_password);

finalEditTextet_name=(EditText)findViewById(R.id.et_usernamelogin_username);

/**

*当输入被点击

*/

et_name.setOnTouchListener(newView.OnTouchListener(){

@Override

publicbooleanonTouch(Viewv,MotionEventevent){

start();

returnfalse;

}

});

btn.setEnabled(false);

btn.setOnClickListener(newView.OnClickListener(){

@Override

publicvoidonClick(Viewv){

}

});

}

privatevoidstart(){

AnimationSetanimationSet=newAnimationSet(true);

ScaleAnimationscaleAnimation=newScaleAnimation(

1,0.1f,1,0.1f,

Animation.RELATIVE_TO_SELF,0.5f,

Animation.RELATIVE_TO_SELF,0.5f);

scaleAnimation.setDuration(500);

animationSet.addAnimation(scaleAnimation);

animationSet.setFillAfter(true);

animationSet.setFillBefore(false);

animationSet.setRepeatCount(0);//设置重复次数

mHead.startAnimation(scaleAnimation);

newHandler().postDelayed(newRunnable(){

@Override

publicvoidrun(){

mHead.setVisibility(View.GONE);

}

},500);

}

/**

*菜单、返回键响应

*/

@Override

publicbooleanonKeyDown(intkeyCode,KeyEventevent){

//TODOAuto-generatedmethodstub

if(keyCode==KeyEvent.KEYCODE_BACK){

if(mHead.getVisibility()==View.GONE){

AnimationSetanimationSet=newAnimationSet(true);

ScaleAnimationscaleAnimation=newScaleAnimation(

0.1f,1f,0.1f,1f,

Animation.RELATIVE_TO_SELF,0.5f,

Animation.RELATIVE_TO_SELF,0.5f);

scaleAnimation.setDuration(500);

animationSet.addAnimation(scaleAnimation);

animationSet.setFillAfter(true);

animationSet.setFillBefore(false);

mHead.startAnimation(scaleAnimation);

mHead.setVisibility(View.VISIBLE);

}else{

finish();

}

}

returnfalse;

}

}

效果呢：

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