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Android View 完美實(shí)現(xiàn)EditText 在軟鍵盤(pán)上邊的示例

 更新時(shí)間：2017年08月26日 11:49:12   作者：silencefun  
本篇文章主要介紹了Android View 完美實(shí)現(xiàn)EditText 在軟鍵盤(pán)上邊的示例，具有一定的參考價(jià)值，有興趣的可以了解一下

此方法基于PopupWindow,適合需要回復(fù)內(nèi)容時(shí)響應(yīng)點(diǎn)擊事件，打開(kāi)軟鍵盤(pán)，編輯框在軟鍵盤(pán)上部。
優(yōu)點(diǎn)，編輯框使用CleanEdittext,監(jiān)聽(tīng)輸入狀態(tài)來(lái)更改回復(fù)按鈕顏色，添加title等。

先展示效果

點(diǎn)擊評(píng)論打開(kāi)軟鍵盤(pán)，編輯框在軟鍵盤(pán)上部，點(diǎn)擊其他區(qū)域消失收起軟鍵盤(pán)：



1.BaseSelectPopupWindow 的代碼。

public class BaseSelectPopupWindow extends PopupWindow {

private View popView;

private View view;


private OnHeadClickListener onHeadClickListener;


private TextView tv_head;


protected Context context;


private boolean isOpenKeyboard=false;;


private boolean isShowTitle=true;

private boolean isOkClose=true;


protected int maxTextSize = 24;
protected int minTextSize = 14;
public BaseSelectPopupWindow(Context context, int layoutId ) {

  this.context=context;
  LayoutInflater inflater = (LayoutInflater) context
      .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  popView = inflater.inflate(R.layout.pop_view, null);
  tv_head=(TextView) popView.findViewById(R.id.tv_head);

  LinearLayout contentView = (LinearLayout) popView
      .findViewById(R.id.content);
  view=inflater.inflate(layoutId, null);
  contentView.addView(view,contentView.getLayoutParams());
  // btn_take_photo.setOnClickListener(itemsOnClick);
  // 設(shè)置SelectPicPopupWindow的View
  this.setContentView(popView);
  // 設(shè)置SelectPicPopupWindow彈出窗體的寬
  this.setWidth(LayoutParams.FILL_PARENT);
  // 設(shè)置SelectPicPopupWindow彈出窗體的高

  WindowManager wm = (WindowManager) context
      .getSystemService(Context.WINDOW_SERVICE);
//  this.setHeight(wm.getDefaultDisplay().getHeight() / 2);
  this.setHeight(LayoutParams.WRAP_CONTENT);
  // 設(shè)置SelectPicPopupWindow彈出窗體可點(diǎn)擊
  this.setFocusable(true);
  // 設(shè)置SelectPicPopupWindow彈出窗體動(dòng)畫(huà)效果
  this.setAnimationStyle(R.style.AnimBottom);
  // 實(shí)例化一個(gè)ColorDrawable顏色為半透明
  ColorDrawable dw = new ColorDrawable(0xb0000000);
  // 設(shè)置SelectPicPopupWindow彈出窗體的背景
  this.setBackgroundDrawable(dw);
  // mMenuView添加OnTouchListener監(jiān)聽(tīng)判斷獲取觸屏位置如果在選擇框外面則銷毀彈出框

  /*
   * popView.setOnTouchListener(new OnTouchListener() {
   * 
   * public boolean onTouch(View v, MotionEvent event) {
   * 
   * int height = popView.findViewById(R.id.pop_layout).getTop(); int
   * y=(int) event.getY(); if(event.getAction()==MotionEvent.ACTION_UP){
   * if(y<height){ dismiss(); } } return true; } });
   */

  (popView.findViewById(R.id.btn_back)).setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
       dismiss();
    }
  });

  (popView.findViewById(R.id.btn_right)).setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
      if(onHeadClickListener!=null){
        onHeadClickListener.okListener();
      }
      if(isOkClose){
        dismiss();
      }

    }
  });

  if(isOpenKeyboard){
    openKeyboard();
  }



}
public boolean isShowTitle() {
  return isShowTitle;
}
public void setShowTitle(boolean isShowTitle) {
  this.isShowTitle = isShowTitle;
  if(!isShowTitle){
    ((RelativeLayout)tv_head.getParent()).setVisibility(View.GONE);
  }
}
/**
 * 打開(kāi)軟鍵盤(pán)
 */
private void openKeyboard() {

    Timer timer = new Timer();
    timer.schedule(new TimerTask() {
        @Override
        public void run() {
            InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);

        }
    }, 1000);
}
public boolean isOpenKeyboard() {
  return isOpenKeyboard;
}
public void setOpenKeyboard(boolean isOpenKeyboard) {
  this.isOpenKeyboard = isOpenKeyboard;
}

public OnHeadClickListener getOnHeadClickListener() {
  return onHeadClickListener;
}

public void setOnHeadClickListener(OnHeadClickListener onHeadClickListener) {
  this.onHeadClickListener = onHeadClickListener;
}

public interface OnHeadClickListener{
  public void okListener();
}



public void setTitle(String value){
  if(tv_head!=null){
    tv_head.setText(value);
  }
}
public boolean isOkClose() {
  return isOkClose;
}
public void setOkClose(boolean isOkClose) {
  this.isOkClose = isOkClose;
}
public Context getContext() {
  return context;
}

對(duì)應(yīng)的XML 布局：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/white_gray"
android:gravity="center_vertical" >

<RelativeLayout
  android:id="@+id/head"
  android:layout_width="match_parent"
  android:layout_height="44dp"
  android:layout_alignParentTop="true"
  android:background="@color/head_yellow" >

  <TextView
    android:id="@+id/btn_back"
    style="@style/nav_side_title_text"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_centerVertical="true"
    android:layout_marginLeft="15dp"
    android:text="@string/cancel"
    android:textColor="@color/black_light_color"
    android:textSize="@dimen/TitleTextSize" />

  <TextView
    android:id="@+id/tv_head"
    style="@style/nav_head_title_text"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:ellipsize="end"
    android:gravity="center"
    android:visibility="gone" />

  <TextView
    android:id="@+id/btn_right"
    style="@style/nav_side_title_text"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_centerVertical="true"
    android:layout_marginRight="15dp"
    android:text="@string/sure"
    android:textColor="@color/black"
    android:textSize="@dimen/TitleTextSize" />
</RelativeLayout>

<LinearLayout
  android:id="@+id/content"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:layout_below="@id/head"
  android:gravity="center"
  android:orientation="vertical" >
 </LinearLayout>

</RelativeLayout>

其中style:nav_side_title_text是定義文字大小的。

2.需要使用的時(shí)候

private BaseSelectPopupWindow popWiw;// 回復(fù)的 編輯框

聲明之后使用的時(shí)候初始化并調(diào)用：

 private void popWiw( ) {

  popWiw = new BaseSelectPopupWindow(context, R.layout.edit_data);
  // popWiw.setOpenKeyboard(true);
  popWiw.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);
  popWiw.setFocusable(true);
  popWiw.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
  popWiw.setShowTitle(false);
  InputMethodManager im = (InputMethodManager) context
      .getSystemService(Context.INPUT_METHOD_SERVICE);
  im.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);

  final Button send = (Button) popWiw.getContentView().findViewById(
      R.id.btn_send);
  final EditText edt = (EditText) popWiw.getContentView().findViewById(
      R.id.edt_content);

  edt.setInputType(EditorInfo.TYPE_CLASS_TEXT);
  edt.setImeOptions(EditorInfo.IME_ACTION_SEND);
  edt.addTextChangedListener(new TextWatcher() {

    @Override
    public void onTextChanged(CharSequence s, int start, int before,
                 int count) {
      if (TextUtils.isEmpty(edt.getText())) {
        send.setEnabled(false);
      } else {
        send.setEnabled(true);
      }
    }

    @Override
    public void beforeTextChanged(CharSequence s, int start, int count,
                   int after) {

    }

    @Override
    public void afterTextChanged(Editable s) {
      // TODO Auto-generated method stub

    }
  });
  edt.setOnEditorActionListener(new TextView.OnEditorActionListener() {

    @Override
    public boolean onEditorAction(TextView v, int actionId,
                   KeyEvent event) {
      if (actionId == EditorInfo.IME_ACTION_SEND
          || (event != null && event.getKeyCode() == KeyEvent.KEYCODE_ENTER)) {

        if (!TextUtils.isEmpty(edt.getText().toString().trim())) {
      String content = edt.getText().toString().trim();
          // /提交內(nèi)容  sumbit(content)
          popWiw.dismiss();
        }
        return true;
      }
      return false;
    }
  });
  send.setOnClickListener(new View.OnClickListener() {

    @Override
    public void onClick(View v) {
      if (!TextUtils.isEmpty(edt.getText().toString().trim())) {

        // /提交內(nèi)容
        String content = edt.getText().toString().trim();

        popWiw.dismiss();
      }
    }
  });

  popWiw.setTitle("回復(fù)" + nickname);
  popWiw.showAtLocation(refreshLayout, Gravity.BOTTOM
      | Gravity.CENTER_HORIZONTAL, 0, 0);
}

對(duì)應(yīng)的edit_data xml布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="55dp" >

<RelativeLayout
  android:layout_width="match_parent"
  android:layout_height="44dp"
  android:background="@drawable/bg_search"
  android:gravity="clip_vertical"
  android:orientation="vertical"
  android:paddingLeft="12dp"
  android:paddingRight="12dp" >

  <com.myapp.view.ClearEditText
    android:id="@+id/edt_content"
    android:layout_width="match_parent"
    android:layout_height="55dp"
    android:layout_alignParentLeft="true"
    android:layout_centerVertical="true"
    android:layout_marginBottom="5dp"
    android:layout_marginRight="65dp"
    android:layout_marginTop="5dp"
    android:background="@drawable/edittext_back"
    android:focusable="true"
    android:hint="說(shuō)點(diǎn)什么..."
    android:paddingLeft="10dp"
    android:imeOptions="actionSend"
    android:paddingRight="10dp"
    android:textColor="@color/top_bg_shadow"
    android:textSize="@dimen/NormalTextSize" >
  </com.myapp.view.ClearEditText>

  <Button
    android:id="@+id/btn_send"
    android:layout_width="60dp"
    android:layout_height="34dp"
    android:layout_alignParentRight="true"
    android:layout_centerVertical="true"
    android:background="@drawable/btn_send_rounded"
    android:enabled="false"
    android:paddingLeft="12dp"
    android:paddingRight="12dp"
    android:text="@string/send"
    android:textColor="@color/white"
    android:textSize="@dimen/NormalTextSize" />
</RelativeLayout>

</LinearLayout>

對(duì)于ClearEditText，應(yīng)該都不陌生，

public class ClearEditText extends EditText implements 
  OnFocusChangeListener, TextWatcher { 
/**
 * 刪除按鈕的引用
 */
private Drawable mClearDrawable; 

public ClearEditText(Context context) { 
  this(context, null); 
} 

public ClearEditText(Context context, AttributeSet attrs) { 
  //這里構(gòu)造方法也很重要，不加這個(gè)很多屬性不能再XML里面定義
  this(context, attrs, android.R.attr.editTextStyle); 
} 

public ClearEditText(Context context, AttributeSet attrs, int defStyle) {
  super(context, attrs, defStyle);
  init();
}


private void init() { 
  //獲取EditText的DrawableRight,假如沒(méi)有設(shè)置我們就使用默認(rèn)的圖片
  mClearDrawable = getCompoundDrawables()[2]; 
  if (mClearDrawable == null) { 
    mClearDrawable = getResources() 
        .getDrawable(R.drawable.icon_edit_del); 
  } 
  mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(), mClearDrawable.getIntrinsicHeight()); 
  setClearIconVisible(false); 
  setOnFocusChangeListener(this); 
  addTextChangedListener(this); 
} 

/**
 * 因?yàn)槲覀儾荒苤苯咏oEditText設(shè)置點(diǎn)擊事件，所以我們用記住我們按下的位置來(lái)模擬點(diǎn)擊事件
 * 當(dāng)我們按下的位置 在 EditText的寬度 - 圖標(biāo)到控件右邊的間距 - 圖標(biāo)的寬度 和
 * EditText的寬度 - 圖標(biāo)到控件右邊的間距之間我們就算點(diǎn)擊了圖標(biāo)，豎直方向沒(méi)有考慮
 */
@Override 
public boolean onTouchEvent(MotionEvent event) { 
  if (getCompoundDrawables()[2] != null) { 
    if (event.getAction() == MotionEvent.ACTION_UP) { 
      boolean touchable = event.getX() > (getWidth() 
          - getPaddingRight() - mClearDrawable.getIntrinsicWidth()) 
          && (event.getX() < ((getWidth() - getPaddingRight())));
      if (touchable) { 
        this.setText(""); 
      } 
    } 
  } 

  return super.onTouchEvent(event); 
} 

/**
 * 當(dāng)ClearEditText焦點(diǎn)發(fā)生變化的時(shí)候，判斷里面字符串長(zhǎng)度設(shè)置清除圖標(biāo)的顯示與隱藏
 */
@Override 
public void onFocusChange(View v, boolean hasFocus) { 
  if (hasFocus) { 
    setClearIconVisible(getText().length() > 0); 
  } else { 
    setClearIconVisible(false); 
  } 
} 


/**
 * 設(shè)置清除圖標(biāo)的顯示與隱藏，調(diào)用setCompoundDrawables為EditText繪制上去
 * @param visible
 */
protected void setClearIconVisible(boolean visible) { 
  Drawable right = visible ? mClearDrawable : null; 
  setCompoundDrawables(getCompoundDrawables()[0], 
      getCompoundDrawables()[1], right, getCompoundDrawables()[3]); 
} 


/**
 * 當(dāng)輸入框里面內(nèi)容發(fā)生變化的時(shí)候回調(diào)的方法
 */
@Override 
public void onTextChanged(CharSequence s, int start, int count, 
    int after) { 
  setClearIconVisible(s.length() > 0); 
} 

@Override 
public void beforeTextChanged(CharSequence s, int start, int count, 
    int after) { 

} 

@Override 
public void afterTextChanged(Editable s) { 

} 


/**
 * 設(shè)置晃動(dòng)動(dòng)畫(huà)
 */
public void setShakeAnimation(){
  this.setAnimation(shakeAnimation(5));
}


/**
 * 晃動(dòng)動(dòng)畫(huà)
 * @param counts 1秒鐘晃動(dòng)多少下
 * @return
 */
public static Animation shakeAnimation(int counts){
  Animation translateAnimation = new TranslateAnimation(0, 10, 0, 0);
  translateAnimation.setInterpolator(new CycleInterpolator(counts));
  translateAnimation.setDuration(1000);
  return translateAnimation;
}
}

一些icon 及圓角背景就不展示了。

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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