extends FrameLayout : Layout « UI « Android






  1. Android
  2. UI
  3. Layout

extends FrameLayout

    

package app.test;

import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;

class TextImageButton extends FrameLayout {
  private ImageView imageView;
  private TextView textView;

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

  public TextImageButton(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public TextImageButton(Context context, AttributeSet attrs, int defaultStyle) {
    super(context, attrs, defaultStyle);
    imageView = new ImageView(context, attrs, defaultStyle);
    textView = new TextView(context, attrs, defaultStyle);
    FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
        LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
    this.addView(imageView, params);
    this.addView(textView, params);
    setClickable(true);
    setFocusable(true);
    setBackgroundResource(android.R.drawable.btn_default);
    if (imageView.getDrawable() != null) {
      textView.setVisibility(View.GONE);
      imageView.setVisibility(View.VISIBLE);
    } else {
      textView.setVisibility(View.VISIBLE);
      imageView.setVisibility(View.GONE);
    }
  }

  public void setText(CharSequence text) {
    textView.setVisibility(View.VISIBLE);
    imageView.setVisibility(View.GONE);
    textView.setText(text);
  }

  public void setImageResource(int resId) {
    textView.setVisibility(View.GONE);
    imageView.setVisibility(View.VISIBLE);
    imageView.setImageResource(resId);
  }

  public void setImageDrawable(Drawable drawable) {
    textView.setVisibility(View.GONE);
    imageView.setVisibility(View.VISIBLE);
    imageView.setImageDrawable(drawable);
  }
}

public class Test extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
  }
}

//main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:orientation="vertical">
  <app.test.TextImageButton
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:textColor="#000"
    android:text="Click Me!"
  />
  <app.test.TextImageButton
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@drawable/icon"
  />
</LinearLayout>








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