Java tutorial
//package com.java2s; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Color; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout; import android.widget.TextView; public class Main { protected static Bitmap creatCodeBitmap(String contents, int width, int height, Context context) { TextView tv = new TextView(context); LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); tv.setLayoutParams(layoutParams); tv.setText(contents); tv.setHeight(height); tv.setGravity(Gravity.CENTER_HORIZONTAL); tv.setWidth(width); tv.setDrawingCacheEnabled(true); tv.setTextColor(Color.BLACK); tv.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED)); tv.layout(0, 0, tv.getMeasuredWidth(), tv.getMeasuredHeight()); tv.buildDrawingCache(); Bitmap bitmapCode = tv.getDrawingCache(); return bitmapCode; } }