Android Launcher T9搜索APP实现

package t9.launcher.tos.com.toslaunchert9search;
import android.content.Context;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

/**
* T9拨号盘 3*4 T9拨号盘
* Created by ferris on 2016/7/15.
*/
public class AppSearchT9View extends ViewGroup implements
View.OnClickListener {
private int col=3;
private int row=4;

private TextView mT9InputEt;
private ImageView mDialDeleteBtn;
public void setTextInput(TextView mT9InputEt){
this.mT9InputEt=mT9InputEt;

mT9InputEt.addTextChangedListener(new TextWatcher() {

@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
// TODO Auto-generated method stub

}

@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub

}

@Override
public void afterTextChanged(Editable s) {
if (null != mOnT9TelephoneDialpadView) {
String inputStr=s.toString();
mOnT9TelephoneDialpadView.onDialInputTextChanged(inputStr);
}
}
});
}
private OnT9TelephoneDialpadView mOnT9TelephoneDialpadView = null;
public OnT9TelephoneDialpadView getOnT9TelephoneDialpadView() {
return mOnT9TelephoneDialpadView;
}

public void setOnT9TelephoneDialpadView(
OnT9TelephoneDialpadView onT9TelephoneDialpadView) {
mOnT9TelephoneDialpadView = onT9TelephoneDialpadView;
}
public AppSearchT9View(Context context) {
super(context);
init(context,null);
}

public AppSearchT9View(Context context, AttributeSet attrs) {
super(context, attrs);
init(context,attrs);
}

public  void init(Context context,AttributeSet attrs){
setPadding(25,25,25,25);
}

@Override
protected void onFinishInflate() {
super.onFinishInflate();

for (int i = 0; i < getChildCount(); i++) {
View v =getChildAt(i);
if(v.getId()==R.id.dial_delete_btn){
mDialDeleteBtn = (ImageView) v;
}
v.setOnClickListener(this);
}

}

/**
* Interface definition for a callback to be invoked when a
* T9TelephoneDialpadView is operated.
*/
public interface OnT9TelephoneDialpadView {
void onAddDialCharacter(String addCharacter);

void onDeleteDialCharacter(String deleteCharacter);

void onDialInputTextChanged(String curCharacter);

void onHideT9TelephoneDialpadView();
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
//measure每个图标的大小
int widthMode = View.MeasureSpec.getMode(widthMeasureSpec);
int heightMode = View.MeasureSpec.getMode(heightMeasureSpec);
int width = View.MeasureSpec.getSize(widthMeasureSpec);
int height = View.MeasureSpec.getSize(heightMeasureSpec);

int paddingLeft=getPaddingLeft();
int paddingRight=getPaddingRight();
int padingTop=getPaddingTop();
int padingBottom=getPaddingBottom();
int gridWidth=(width-paddingLeft-paddingRight)/col;
int gridHeight=(height-padingTop-padingBottom)/row;
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View v = getChildAt(i);
if (v != null) {
int childWidthSpec = View.MeasureSpec.makeMeasureSpec(gridWidth, widthMode);
int childHeightSpec = View.MeasureSpec.makeMeasureSpec(gridHeight, heightMode);
v.measure(childWidthSpec, childHeightSpec);
}
}
setMeasuredDimension(width, height);
}

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
// layout child
int paddingLeft=getPaddingLeft();
int paddingRight=getPaddingRight();
int padingTop=getPaddingTop();
int padingBottom=getPaddingBottom();
int releaseWidth=(getMeasuredWidth()-paddingLeft-paddingRight)/col;
int releaseHeiht=(getMeasuredHeight()-padingTop-padingBottom)/row;
int iconOffsetX=paddingLeft;
int iconOffsetY=padingTop;
int left;
int top;
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View v = getChildAt(i);
//行
int currentRow=i/col;
//列  row=1 col=4
int currentCol=i%col;
left=currentCol*releaseWidth+iconOffsetX;
top=currentRow*releaseHeiht+iconOffsetY;
if (v != null) {
v.layout(left, top, left+releaseWidth, top+releaseHeiht);
}
}
}

@Override
public void onClick(View v) {
switch (v.getId()) {

case R.id.dial_delete_btn:
deleteSingleDialCharacter();
break;
case R.id.dialNum0:
case R.id.dialNum1:
case R.id.dialNum2:
case R.id.dialNum3:
case R.id.dialNum4:
case R.id.dialNum5:
case R.id.dialNum6:
case R.id.dialNum7:
case R.id.dialNum8:
case R.id.dialNum9:
addSingleDialCharacter(v.getTag().toString());
break;

default:
break;
}

}

public void deleteSingleDialCharacter() {
String curInputStr = mT9InputEt.getText().toString();
if (curInputStr.length() > 0) {
String deleteCharacter = curInputStr.substring(
curInputStr.length() - 1, curInputStr.length());
if (null != mOnT9TelephoneDialpadView) {
mOnT9TelephoneDialpadView
.onDeleteDialCharacter(deleteCharacter);
}

String newCurInputStr=curInputStr.substring(0,curInputStr.length() - 1);
mT9InputEt.setText(newCurInputStr);
//mT9InputEt.setSelection(newCurInputStr.length());
//            if(TextUtils.isEmpty(newCurInputStr)){
//                ViewUtil.hideView(mDialDeleteBtn);
//            }else{
//                ViewUtil.showView(mDialDeleteBtn);
//            }

}
}

private void addSingleDialCharacter(String addCharacter) {
String preInputStr = mT9InputEt.getText().toString();
if (!TextUtils.isEmpty(addCharacter)) {
mT9InputEt.setText(preInputStr + addCharacter);
//    mT9InputEt.setSelection(mT9InputEt.getText().length());
if (null != mOnT9TelephoneDialpadView) {
mOnT9TelephoneDialpadView.onAddDialCharacter(addCharacter);
}
//   ViewUtil.showView(mDialDeleteBtn);
}

}

}

package t9.launcher.tos.com.toslaunchert9search;

import android.content.Context;
import android.graphics.Canvas;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.widget.TextView;

/**
* 带下划线的textView
* Created by ferris on 2016/7/15.
*/
public class LineTextView extends TextView {
//    Paint mPaint=new Paint();
public LineTextView(Context context) {
super(context);
init();
}

public LineTextView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}

public LineTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}

public void init(){
//        mPaint.setStyle(Paint.Style.STROKE);//设置非填充
//        mPaint.setStrokeWidth(1);//笔宽5像素
//        mPaint.setColor(Color.BLACK);//设置为红笔
//        mPaint.setAntiAlias(true);//锯齿不显示
}

@Override
protected void onDraw(Canvas canvas) {
if(TextUtils.isEmpty(getText())){
super.onDraw(canvas);
return;
}
canvas.save();
super.onDraw(canvas);
canvas.drawLine(0,getMeasuredHeight(),getMeasuredWidth(),getMeasuredHeight(),getPaint());
canvas.restore();
}
}