1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.content; 18 19 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 import com.example.android.apis.R; 22 23 import android.app.Activity; 24 import android.os.Bundle; 25 import android.widget.TextView; 26 27 import java.io.IOException; 28 import java.io.InputStream; 29 30 31 /** 32 * Demonstration of styled text resources. 33 */ 34 public class ReadAsset extends Activity 35 { 36 @Override 37 protected void onCreate(Bundle savedInstanceState) 38 { 39 super.onCreate(savedInstanceState); 40 41 // See assets/res/any/layout/styled_text.xml for this 42 // view layout definition. 43 setContentView(R.layout.read_asset); 44 45 // Programmatically load text from an asset and place it into the 46 // text view. Note that the text we are loading is ASCII, so we 47 // need to convert it to UTF-16. 48 try { 49 InputStream is = getAssets().open("read_asset.txt"); 50 51 // We guarantee that the available method returns the total 52 // size of the asset... of course, this does mean that a single 53 // asset can't be more than 2 gigs. 54 int size = is.available(); 55 56 // Read the entire asset into a local byte buffer. 57 byte[] buffer = new byte[size]; 58 is.read(buffer); 59 is.close(); 60 61 // Convert the buffer into a string. 62 String text = new String(buffer); 63 64 // Finally stick the string into the text view. 65 TextView tv = (TextView)findViewById(R.id.text); 66 tv.setText(text); 67 } catch (IOException e) { 68 // Should never happen! 69 throw new RuntimeException(e); 70 } 71 } 72 } 73 74
