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MIT License
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package examples.course.basiccolorpaletteupnav; //from w w w . j av a2s . co m import android.content.Context; import android.content.Intent; import android.content.res.TypedArray; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; class PaletteAdapter extends BaseAdapter { public static final String COLOR_EXTRA = "color"; public static final int NO_COLOR = 0; private final Context mContext; private final int mRowLayout; private final TypedArray mColors; public PaletteAdapter(Context context, int rowLayout, int arrayResourceId) { mContext = context; mRowLayout = rowLayout; mColors = context.getResources().obtainTypedArray(arrayResourceId); } @Override public View getView(int i, View convertView, ViewGroup viewGroup) { View newView = convertView; if (null == newView) { newView = LayoutInflater.from(mContext).inflate(mRowLayout, viewGroup, false); } final int backgroundColor = mColors.getColor(i,NO_COLOR); newView.setBackgroundColor(backgroundColor); newView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(mContext, DisplaySingleColorActivity.class); intent.putExtra(COLOR_EXTRA, backgroundColor); mContext.startActivity(intent); } }); return newView; } @Override public Object getItem(int i) { return mColors.getResourceId(i, -1); } @Override public long getItemId(int i) { return i; } @Override public int getCount() { return mColors.length(); } }