Read text from raw file

目的

從android raw中取出文字資料

方法

使用org.apache.commons.io中的IOUtils功能

** org.apache.commons.io.Charsets.UTF_8 已經 deprecated

** 可以改用 java.nio.charset.StandardCharsets.UTF_8 ，但至少要 API 19

java

1 2 3

InputStream is = cxt.getResources().openRawResource(R.raw.car_type_list); String content = IOUtils.toString(is, Charsets.UTF_8); IOUtils.closeQuietly(is); // don't forget to close your streams

gradle

1 2 3

dependencies { compile 'commons-io:commons-io:2.5' }

reference:
http://stackoverflow.com/a/13566950

http://mvnrepository.com/artifact/commons-io/commons-io

使用android:Theme.Holo.Dialog設定最小寬度

目的

使用 DialogFragment 添加 AlertDialog，並自訂內容畫面設計，直接設定最小畫面寬度

方法

PhotoDialogFragment.java

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

public class PhotoListDialogFragment extends DialogFragment { private String img; public PhotoListDialogFragment(String img) { this.img = img; } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { // Use the Builder class for convenient dialog construction View content = LayoutInflater.from(getContext()).inflate(R.layout.photo_list_dialog_content, null, false); TextView iv = (TextView) content.findViewById(R.id.photoListDialogIV); iv.setText(img); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), R.style.DialogStyle); builder.setView(content) .setPositiveButton(R.string.dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // FIRE ZE MISSILES! } }); // Create the AlertDialog object and return it return builder.create(); } }

style.xml

1 2 3 4 5 6

<resources> <style name="DialogStyle" parent="android:Theme.Holo.Dialog"> <item name="android:windowMinWidthMajor">90%</item> <item name="android:windowMinWidthMinor">90%</item> </style> </resources>

reference:
http://stackoverflow.com/a/28519059