自定义view搜索框
public class IconCenterEditText extends EditText implements View.OnFocusChangeListener, View.OnKeyListener {
private static final String TAG = IconCenterEditText.class.getSimpleName();
/**
* 是否是默认图标再左边的样式
*/
private boolean isLeft = false;
/**
* 是否点击软键盘搜索
*/
private boolean pressSearch = false;
/**
* 软键盘搜索键监听
*/
private OnSearchClickListener listener;
public void setOnSearchClickListener(OnSearchClickListener listener) {
this.listener = listener;
}
public IconCenterEditText(Context context) {
this(context, null);
init();
}
public IconCenterEditText(Context context, AttributeSet attrs) {
this(context, attrs, android.R.attr.editTextStyle);
init();
}
public IconCenterEditText(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}
private void init() {
setOnFocusChangeListener(this);
setOnKeyListener(this);
}
@Override
protected void onDraw(Canvas canvas) {
if (isLeft) { // 如果是默认样式,则直接绘制
super.onDraw(canvas);
} else { // 如果不是默认样式,需要将图标绘制在中间
/* Drawable[] drawables = getCompoundDrawables();
Drawable drawableLeft = drawables[0];
Drawable drawableRight = drawables[2];
translate(drawableLeft, canvas);
translate(drawableRight, canvas);
if (drawableLeft != null) {
float textWidth = getPaint().measureText(getHint().toString());
int drawablePadding = getCompoundDrawablePadding();
int drawableWidth = drawableLeft.getIntrinsicWidth();
float bodyWidth = textWidth + drawableWidth + drawablePadding;
canvas.translate((getWidth() - bodyWidth - getPaddingLeft() - getPaddingRight()) / 2, 0);
}*/
/* if (drawableRight != null) {
float textWidth = getPaint().measureText(getHint().toString()); // 文字宽度
int drawablePadding = getCompoundDrawablePadding(); // 图标间距
int drawableWidth = drawableRight.getIntrinsicWidth(); // 图标宽度
float bodyWidth = textWidth + drawableWidth + drawablePadding;
setPadding(getPaddingLeft(), getPaddingTop(), (int)(getWidth() - bodyWidth - getPaddingLeft()), getPaddingBottom());
canvas.translate((getWidth() - bodyWidth - getPaddingLeft()) / 2, 0);
}*/
Drawable[] drawables = getCompoundDrawables();
if (drawables != null) {
Drawable drawableLeft = drawables[0];
if (drawableLeft != null) {
float textWidth = getPaint().measureText(getHint().toString());
int drawablePadding = getCompoundDrawablePadding();
int drawableWidth = drawableLeft.getIntrinsicWidth();
float bodyWidth = textWidth + drawableWidth + drawablePadding;
canvas.translate((getWidth() - bodyWidth - getPaddingLeft() - getPaddingRight()) / 2, 0);
}
}
super.onDraw(canvas);
}
}
public void translate(Drawable drawable, Canvas canvas) {
if (drawable != null) {
float textWidth = getPaint().measureText(getHint().toString());
int drawablePadding = getCompoundDrawablePadding();
int drawableWidth = drawable.getIntrinsicWidth();
float bodyWidth = textWidth + drawableWidth + drawablePadding;
if (drawable == getCompoundDrawables()[0]) {
canvas.translate((getWidth() - bodyWidth - getPaddingLeft() - getPaddingRight()) / 2, 0);
} else {
setPadding(getPaddingLeft(), getPaddingTop(), (int)(getWidth() - bodyWidth - getPaddingLeft()), getPaddingBottom());
canvas.translate((getWidth() - bodyWidth - getPaddingLeft()) / 2, 0);
}
}
}
@Override
public void onFocusChange(View v, boolean hasFocus) {
Log.d(TAG, "onFocusChange execute");
// 恢复EditText默认的样式
if (!pressSearch && TextUtils.isEmpty(getText().toString())) {
isLeft = hasFocus;
}
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
pressSearch = (keyCode == KeyEvent.KEYCODE_ENTER);
if (pressSearch && listener != null) {
/*隐藏软键盘*/
InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm.isActive()) {
imm.hideSoftInputFromWindow(v.getApplicationWindowToken(), 0);
}
if (event.getAction() == KeyEvent.ACTION_UP) {
listener.onSearchClick(v);
}
}
return false;
}
public interface OnSearchClickListener {
void onSearchClick(View view);
}
}
自定义view的自定义styles
<style name="StyleEditText">
<item name="android:layout_width">500px</item>
<item name="android:layout_height">80px</item>
<item name="android:background">@drawable/bg_search_bar</item>
<item name="android:drawablePadding">5dp</item>
<item name="android:drawableStart">@mipmap/icon_search</item>
<item name="android:gravity">center_vertical</item>
<item name="android:imeOptions">actionSearch</item>
<item name="android:padding">10dp</item>
<item name="android:singleLine">true</item>
<item name="android:textColorHint">@color/gray_white</item>
<item name="android:textSize">16sp</item>
<item name="android:hint">搜索</item>
</style>
自定义view的搜索框背景shape
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="@android:color/white" />
<stroke
android:width="1px"
android:color="@android:color/holo_green_dark" />
<corners android:radius="20dp" />
</shape>
隐藏弹出软键盘
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
View v = getCurrentFocus();
if (isShouldHideKeyboard(v, ev)) {
hideKeyboard(v.getWindowToken());
}
}
return super.dispatchTouchEvent(ev);
}
private boolean isShouldHideKeyboard(View v, MotionEvent event) {
if (v != null && (v instanceof EditText)) {
int[] l = {0, 0};
v.getLocationInWindow(l);
int left = l[0],
top = l[1],
bottom = top + v.getHeight(),
right = left + v.getWidth();
if (event.getX() > left && event.getX() < right
&& event.getY() > top && event.getY() < bottom) {
// 点击EditText的事件,忽略它。
return false;
} else {
v.clearFocus();
return true;
}
}
// 如果焦点不是EditText则忽略,这个发生在视图刚绘制完,第一个焦点不在EditText上,和用户用轨迹球选择其他的焦点
return false;
}
private void hideKeyboard(IBinder token) {
if (token != null) {
InputMethodManager im = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
im.hideSoftInputFromWindow(token, InputMethodManager.HIDE_NOT_ALWAYS);
}
}