1 package com.android.settings; 2 3 import android.app.Activity; 4 import android.app.AlertDialog; 5 import com.android.internal.telephony.Phone; 6 import com.android.internal.telephony.PhoneFactory; 7 import android.os.Bundle; 8 import android.os.Message; 9 import android.os.Handler; 10 import android.os.AsyncResult; 11 import android.util.Log; 12 import android.content.DialogInterface; 13 import android.view.View; 14 import android.view.WindowManager; 15 import android.view.Window; 16 import android.widget.ListView; 17 import android.widget.ArrayAdapter; 18 import android.widget.AdapterView; 19 20 21 /** 22 * Radio Band Mode Selection Class 23 * 24 * It will query baseband about all available band modes and display them 25 * in screen. It will display all six band modes if the query failed. 26 * 27 * After user select one band, it will send the selection to baseband. 28 * 29 * It will alter user the result of select operation and exit, no matter success 30 * or not. 31 * 32 */ 33 public class BandMode extends Activity { 34 private static final String LOG_TAG = "phone"; 35 private static final boolean DBG = false; 36 37 private static final int EVENT_BAND_SCAN_COMPLETED = 100; 38 private static final int EVENT_BAND_SELECTION_DONE = 200; 39 40 private static final String[] BAND_NAMES = new String[] { 41 "Automatic", 42 "EURO Band", 43 "USA Band", 44 "JAPAN Band", 45 "AUS Band", 46 "AUS2 Band" 47 }; 48 49 private ListView mBandList; 50 private ArrayAdapter mBandListAdapter; 51 private BandListItem mTargetBand = null; 52 private DialogInterface mProgressPanel; 53 54 private Phone mPhone = null; 55 56 @Override onCreate(Bundle icicle)57 protected void onCreate(Bundle icicle) { 58 super.onCreate(icicle); 59 60 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); 61 62 setContentView(R.layout.band_mode); 63 64 setTitle(getString(R.string.band_mode_title)); 65 getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, 66 WindowManager.LayoutParams.WRAP_CONTENT); 67 68 mPhone = PhoneFactory.getDefaultPhone(); 69 70 mBandList = (ListView) findViewById(R.id.band); 71 mBandListAdapter = new ArrayAdapter<BandListItem>(this, 72 android.R.layout.simple_list_item_1); 73 mBandList.setAdapter(mBandListAdapter); 74 mBandList.setOnItemClickListener(mBandSelectionHandler); 75 76 77 78 loadBandList(); 79 } 80 81 private AdapterView.OnItemClickListener mBandSelectionHandler = 82 new AdapterView.OnItemClickListener () { 83 public void onItemClick(AdapterView parent, View v, 84 int position, long id) { 85 86 getWindow().setFeatureInt( 87 Window.FEATURE_INDETERMINATE_PROGRESS, 88 Window.PROGRESS_VISIBILITY_ON); 89 90 mTargetBand = (BandListItem) parent.getAdapter().getItem(position); 91 92 if (DBG) log("Select band : " + mTargetBand.toString()); 93 94 Message msg = 95 mHandler.obtainMessage(EVENT_BAND_SELECTION_DONE); 96 mPhone.setBandMode(mTargetBand.getBand(), msg); 97 } 98 }; 99 100 static private class BandListItem { 101 private int mBandMode = Phone.BM_UNSPECIFIED; 102 BandListItem(int bm)103 public BandListItem(int bm) { 104 mBandMode = bm; 105 } 106 getBand()107 public int getBand() { 108 return mBandMode; 109 } 110 toString()111 public String toString() { 112 return BAND_NAMES[mBandMode]; 113 } 114 } 115 loadBandList()116 private void loadBandList() { 117 String str = getString(R.string.band_mode_loading); 118 119 if (DBG) log(str); 120 121 122 //ProgressDialog.show(this, null, str, true, true, null); 123 mProgressPanel = new AlertDialog.Builder(this) 124 .setMessage(str) 125 .show(); 126 127 Message msg = mHandler.obtainMessage(EVENT_BAND_SCAN_COMPLETED); 128 mPhone.queryAvailableBandMode(msg); 129 130 } 131 bandListLoaded(AsyncResult result)132 private void bandListLoaded(AsyncResult result) { 133 if (DBG) log("network list loaded"); 134 135 if (mProgressPanel != null) mProgressPanel.dismiss(); 136 137 clearList(); 138 139 boolean addBandSuccess = false; 140 BandListItem item; 141 142 if (result.result != null) { 143 int bands[] = (int[])result.result; 144 int size = bands[0]; 145 146 if (size > 0) { 147 for (int i=1; i<size; i++) { 148 item = new BandListItem(bands[i]); 149 mBandListAdapter.add(item); 150 if (DBG) log("Add " + item.toString()); 151 } 152 addBandSuccess = true; 153 } 154 } 155 156 if (addBandSuccess == false) { 157 if (DBG) log("Error in query, add default list"); 158 for (int i=0; i<Phone.BM_BOUNDARY; i++) { 159 item = new BandListItem(i); 160 mBandListAdapter.add(item); 161 if (DBG) log("Add default " + item.toString()); 162 } 163 } 164 mBandList.requestFocus(); 165 } 166 displayBandSelectionResult(Throwable ex)167 private void displayBandSelectionResult(Throwable ex) { 168 String status = getString(R.string.band_mode_set) 169 +" [" + mTargetBand.toString() + "] "; 170 171 if (ex != null) { 172 status = status + getString(R.string.band_mode_failed); 173 } else { 174 status = status + getString(R.string.band_mode_succeeded); 175 } 176 177 mProgressPanel = new AlertDialog.Builder(this) 178 .setMessage(status) 179 .setPositiveButton(android.R.string.ok, null).show(); 180 } 181 clearList()182 private void clearList() { 183 while(mBandListAdapter.getCount() > 0) { 184 mBandListAdapter.remove( 185 mBandListAdapter.getItem(0)); 186 } 187 } 188 log(String msg)189 private void log(String msg) { 190 Log.d(LOG_TAG, "[BandsList] " + msg); 191 } 192 193 private Handler mHandler = new Handler() { 194 public void handleMessage(Message msg) { 195 AsyncResult ar; 196 switch (msg.what) { 197 case EVENT_BAND_SCAN_COMPLETED: 198 ar = (AsyncResult) msg.obj; 199 200 bandListLoaded(ar); 201 break; 202 203 case EVENT_BAND_SELECTION_DONE: 204 ar = (AsyncResult) msg.obj; 205 206 getWindow().setFeatureInt( 207 Window.FEATURE_INDETERMINATE_PROGRESS, 208 Window.PROGRESS_VISIBILITY_OFF); 209 210 if (!isFinishing()) { 211 displayBandSelectionResult(ar.exception); 212 } 213 break; 214 } 215 } 216 }; 217 218 219 } 220