【Android】EditText获得焦点以及失去焦点

privatevoidinitEtName(){

//使RelativeLayout获取焦点，防止EditText截取

finalRelativeLayoutrlytTimerName=(RelativeLayout)findViewById(R.id.rlyt_timer_name);

rlytTimerName.setFocusable(true);

rlytTimerName.setFocusableInTouchMode(true);

rlytTimerName.requestFocus();

finalEditTextetName;

etName=(EditText)findViewById(R.id.et_name);

etName.setOnClickListener(this);

etName.setOnFocusChangeListener(newView.OnFocusChangeListener(){

@Override

publicvoidonFocusChange(Viewv,booleanhasFocus){

if(hasFocus){

etNameGetFocus(etName);

}else{

etNameLostFocus(etName);

}

}

});

Stringname="Lou";

etName.setText(name);

etNameLostFocus(etName);

}

//重置edittext,居中并失去焦点

privatevoidetNameLostFocus(EditTextetName){

etName.setGravity(Gravity.CENTER);

etName.clearFocus();

InputMethodManagermanager=(InputMethodManager)etName.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);

manager.hideSoftInputFromWindow(etName.getWindowToken(),0);

}

//获取焦点

privatevoidetNameGetFocus(finalEditTextetName){

etName.requestFocus();

etName.setGravity(Gravity.START);

etName.post(newRunnable(){

@Override

publicvoidrun(){

InputMethodManagermanager=(InputMethodManager)etName.getContext().getSystemService(

Context.INPUT_METHOD_SERVICE);

manager.showSoftInput(etName,0);

}

});

//光标置于文字最后

etName.setSelection(etName.getText().length());

}

@Override

publicvoidonClick(Viewv){

switch(v.getId()){

caseR.id.et_name:

//设置EditText的点击事件（如果处于编辑状态则，不做操作；否则，获取焦点进入可编辑状态）；

EditTextet=(EditText)v;

if(!et.isCursorVisible()){

etNameGetFocus(et);

}

break;

}

}

//点击屏幕其他地方，使etName失去焦点（EditText）

@Override

publicbooleandispatchTouchEvent(MotionEventev){

if(ev.getAction()==MotionEvent.ACTION_DOWN){

//获取当前焦点所在的控件；

Viewview=getCurrentFocus();

if(view!=null&&viewinstanceofEditText){

Rectr=newRect();

view.getGlobalVisibleRect(r);

intrawX=(int)ev.getRawX();

intrawY=(int)ev.getRawY();

//判断点击的点是否落在当前焦点所在的view上；

if(!r.contains(rawX,rawY)){

view.clearFocus();

}

}

}

returnsuper.dispatchTouchEvent(ev);

}

<RelativeLayout

android:id="@+id/rlyt_timer_name"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginBottom="16dp"

android:layout_marginEnd="16dp"

android:layout_marginStart="16dp"

android:layout_marginTop="8dp"

android:orientation="horizontal">

<EditText

android:id="@+id/et_name"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_centerVertical="true"

android:background="@drawable/et_name"

android:hint="Pleaseinputyourname"

android:maxLength="15"

android:maxLines="1"

android:paddingStart="8dp"

android:paddingTop="4dp"

android:paddingBottom="4dp"

android:text="HelloWorld"

android:textColor="@color/module_title_font"

android:textCursorDrawable="@null"

android:textSize="18sp"></EditText>

</RelativeLayout>

<?xmlversion="1.0"encoding="utf-8"?>

<selectorxmlns:android="http://schemas.android.com/apk/res/android">

<itemandroid:state_focused="true">

<layer-list>

<item>

<shapeandroid:shape="rectangle">

<solidandroid:color="@color/module_title_font"/>

</shape>

</item>

<itemandroid:bottom="8dp">

<shapeandroid:shape="rectangle">

<solidandroid:color="@color/main_content_bg"/>

</shape>

</item>

<itemandroid:bottom="1dp"

android:left="1dp"

android:right="1dp">

<shapeandroid:shape="rectangle">

<paddingandroid:left="2dp"android:right="2dp"/>

<solidandroid:color="@color/main_content_bg"/>

</shape>

</item>

</layer-list>

</item>

</selector>

<colorname="module_title_font">#c2c2c1</color>

<colorname="main_content_bg">#3c3c3b</color>