自定义View组合模式

attrs.xml:

<resources>
    <declare-styleable name="ImageText">
        <attr name="src" format="reference|color" />
        <attr name="imageWidth" format="dimension" />
        <attr name="imageHeight" format="dimension" />
        <attr name="textSize" format="dimension" />
        <attr name="text" format="string" />
    declare-styleable>
resources>

组合控件的布局view_image_text.xml：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:gravity="center_horizontal" >

    <ImageView
        android:id="@+id/iv_image"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/tv_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@drawable/selector_student_text" />

LinearLayout>

activity_main.xml:

"http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:it="http://schemas.android.com/apk/res-auto">

    id="@+id/it_test"
        it:src="@mipmap/ic_launcher"
        it:imageWidth="20dp"
        it:imageHeight="20dp"
        it:text="hello"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

drawable

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

    <item android:color="@android:color/holo_blue_dark" android:state_selected="true"/>
    <item android:color="@android:color/holo_blue_dark" android:state_checked="true"/>
    <item android:color="@android:color/holo_blue_dark" android:state_pressed="true"/>
    <item android:color="@android:color/darker_gray"/>
selector>

MainActivity.java

package com.itant.customedview;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

    private ImageText it_test;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        it_test = (ImageText) findViewById(R.id.it_test);
        it_test.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        Toast.makeText(this, "click", Toast.LENGTH_SHORT).show();
    }


}

自定义控件：

package com.itant.customedview;

import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

public class ImageText extends LinearLayout {

    private TextView textView;

    public ImageText(Context context, AttributeSet attrs) {
        super(context, attrs);
        // TODO Auto-generated constructor stub
        LayoutInflater.from(context).inflate(R.layout.view_image_text, this);

        ImageView imageView = (ImageView) findViewById(R.id.iv_image);
        textView = (TextView) findViewById(R.id.tv_text);

        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.ImageText);
        int imageResource = typedArray.getResourceId(R.styleable.ImageText_src, 0);
        int imageWidth = UIUtils.dip2px(context, typedArray.getDimension(R.styleable.ImageText_imageWidth, 40));
        int imageHeight = UIUtils.dip2px(context, typedArray.getDimension(R.styleable.ImageText_imageHeight, 40));
        float textSize = typedArray.getDimension(R.styleable.ImageText_textSize, 12);
        String text = typedArray.getString(R.styleable.ImageText_text);

        typedArray.recycle();

        imageView.setBackgroundResource(imageResource);
        LayoutParams params = new LayoutParams(imageWidth, imageHeight);
        imageView.setLayoutParams(params);

        textView.setTextSize(textSize);
        textView.setText(text);
    }



    /*
    @Override
    public boolean onTouchEvent(MotionEvent event) {
        // TODO Auto-generated method stub
        switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            textView.setTextColor(getResources().getColor(R.color.red));
            break;
        case MotionEvent.ACTION_UP:
            textView.setTextColor(getResources().getColor(R.color.gray));
            break;

        default:
            break;
        }

        //performClick();
        return super.onTouchEvent(event);
    }*/
}

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