package com.example.like.mylibrary; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.os.Build; import android.text.util.Linkify; import android.util.SparseArray; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.animation.AlphaAnimation; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.RatingBar; import android.widget.RelativeLayout; import android.widget.TextView; public class BaseAdapterHelper { private final SparseArray<View> views; private View convertView; private int position; public BaseAdapterHelper(Context context, ViewGroup parent, int layoutId, int position) { this.position = position; this.views = new SparseArray<View>(); this.convertView = LayoutInflater.from(context) .inflate(layoutId, parent, false); this.convertView.setTag(this); } public static BaseAdapterHelper get(Context context, View convertView, ViewGroup parent, int layoutId) { return get(context, convertView, parent, layoutId, -1); } public static BaseAdapterHelper get(Context context, View convertView, ViewGroup parent, int layoutId, int position) { if (convertView == null) { return new BaseAdapterHelper(context, parent, layoutId, position); } BaseAdapterHelper adapter = (BaseAdapterHelper) convertView.getTag(); adapter.setPosition(position); return adapter; } /** * Retrieve the overall position of the data in the list. * * @throws IllegalArgumentException * If the position hasn't been set at the construction of the * this helper. */ public int getPosition() { if (position == -1) throw new IllegalStateException( "Use BaseAdapterHelper constructor " + "with position if you need to retrieve the position."); return position; } private void setPosition(int position) { this.position = position; } public View getView() { return convertView; } public <T extends View> T getView(int viewId) { return retrieveView(viewId); } public BaseAdapterHelper setText(int viewId, String value) { TextView view = retrieveView(viewId); view.setText(value); return this; } public BaseAdapterHelper setTextColor(int viewId, int color) { TextView view = retrieveView(viewId); view.setTextColor(color); return this; } public BaseAdapterHelper setTextEnabled(int viewId,Boolean enabled){ TextView view = retrieveView(viewId); view.setEnabled(enabled); return this; } public BaseAdapterHelper setTextOnClickListener(int viewId,OnClickListener listener){ TextView view = retrieveView(viewId); view.setOnClickListener(listener); return this; } public BaseAdapterHelper setLayoutOnClickListener(int viewId,OnClickListener listener){ RelativeLayout view = retrieveView(viewId); view.setOnClickListener(listener); return this; } public BaseAdapterHelper setImageOnClickListener(int viewId,OnClickListener listener){ ImageView view = retrieveView(viewId); view.setOnClickListener(listener); return this; } public BaseAdapterHelper setViewBackground(int viewId,int resid){ View view = retrieveView(viewId); view.setBackgroundResource(resid); return this; } public BaseAdapterHelper setImageResource(int viewId, int imageResId) { ImageView view = retrieveView(viewId); view.setImageResource(imageResId); return this; } public BaseAdapterHelper setImageDrawable(int viewId, Drawable drawable) { ImageView view = retrieveView(viewId); view.setImageDrawable(drawable); return this; } public BaseAdapterHelper setImageBitmap(int viewId, Bitmap bitmap) { ImageView view = retrieveView(viewId); view.setImageBitmap(bitmap); return this; } public BaseAdapterHelper setAlpha(int viewId, float value) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { retrieveView(viewId).setAlpha(value); } else { // Pre-honeycomb hack to set Alpha value AlphaAnimation alpha = new AlphaAnimation(value, value); alpha.setDuration(0); alpha.setFillAfter(true); retrieveView(viewId).startAnimation(alpha); } return this; } public BaseAdapterHelper setVisible(int viewId, boolean visible) { View view = retrieveView(viewId); view.setVisibility(visible ? View.VISIBLE : View.GONE); return this; } public BaseAdapterHelper linkify(int viewId) { TextView view = retrieveView(viewId); Linkify.addLinks(view, Linkify.ALL); return this; } public BaseAdapterHelper setTypeface(int viewId, Typeface typeface) { TextView view = retrieveView(viewId); view.setTypeface(typeface); return this; } public BaseAdapterHelper setTypeface(Typeface typeface, int... viewIds) { for (int viewId : viewIds) { TextView view = retrieveView(viewId); view.setTypeface(typeface); } return this; } public BaseAdapterHelper setProgress(int viewId, int progress) { ProgressBar view = retrieveView(viewId); view.setProgress(progress); return this; } public BaseAdapterHelper setProgress(int viewId, int progress, int max) { ProgressBar view = retrieveView(viewId); view.setProgress(progress); view.setMax(max); return this; } public BaseAdapterHelper setMax(int viewId, int max) { ProgressBar view = retrieveView(viewId); view.setMax(max); return this; } public BaseAdapterHelper setRating(int viewId, float rating) { RatingBar view = retrieveView(viewId); view.setRating(rating); return this; } public BaseAdapterHelper setRating(int viewId, float rating, int max) { RatingBar view = retrieveView(viewId); view.setRating(rating); view.setMax(max); return this; } @SuppressWarnings("unchecked") private <T extends View> T retrieveView(int viewId) { View view = views.get(viewId); if (view == null) { view = convertView.findViewById(viewId); views.put(viewId, view); } return (T) view; } }