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 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 loadBandList(); 77 } 78 79 private AdapterView.OnItemClickListener mBandSelectionHandler = 80 new AdapterView.OnItemClickListener () { 81 public void onItemClick(AdapterView parent, View v, 82 int position, long id) { 83 84 getWindow().setFeatureInt( 85 Window.FEATURE_INDETERMINATE_PROGRESS, 86 Window.PROGRESS_VISIBILITY_ON); 87 88 mTargetBand = (BandListItem) parent.getAdapter().getItem(position); 89 90 if (DBG) log("Select band : " + mTargetBand.toString()); 91 92 Message msg = 93 mHandler.obtainMessage(EVENT_BAND_SELECTION_DONE); 94 mPhone.setBandMode(mTargetBand.getBand(), msg); 95 } 96 }; 97 98 static private class BandListItem { 99 private int mBandMode = Phone.BM_UNSPECIFIED; 100 101 public BandListItem(int bm) { 102 mBandMode = bm; 103 } 104 105 public int getBand() { 106 return mBandMode; 107 } 108 109 public String toString() { 110 if (mBandMode >= BAND_NAMES.length) return "Band mode " + mBandMode; 111 return BAND_NAMES[mBandMode]; 112 } 113 } 114 115 private void loadBandList() { 116 String str = getString(R.string.band_mode_loading); 117 118 if (DBG) log(str); 119 120 121 //ProgressDialog.show(this, null, str, true, true, null); 122 mProgressPanel = new AlertDialog.Builder(this) 123 .setMessage(str) 124 .show(); 125 126 Message msg = mHandler.obtainMessage(EVENT_BAND_SCAN_COMPLETED); 127 mPhone.queryAvailableBandMode(msg); 128 129 } 130 131 private void bandListLoaded(AsyncResult result) { 132 if (DBG) log("network list loaded"); 133 134 if (mProgressPanel != null) mProgressPanel.dismiss(); 135 136 clearList(); 137 138 boolean addBandSuccess = false; 139 BandListItem item; 140 141 if (result.result != null) { 142 int bands[] = (int[])result.result; 143 int size = bands[0]; 144 145 if (size > 0) { 146 for (int i=1; i<size; i++) { 147 item = new BandListItem(bands[i]); 148 mBandListAdapter.add(item); 149 if (DBG) log("Add " + item.toString()); 150 } 151 addBandSuccess = true; 152 } 153 } 154 155 if (addBandSuccess == false) { 156 if (DBG) log("Error in query, add default list"); 157 for (int i=0; i<Phone.BM_BOUNDARY; i++) { 158 item = new BandListItem(i); 159 mBandListAdapter.add(item); 160 if (DBG) log("Add default " + item.toString()); 161 } 162 } 163 mBandList.requestFocus(); 164 } 165 166 private void displayBandSelectionResult(Throwable ex) { 167 String status = getString(R.string.band_mode_set) 168 +" [" + mTargetBand.toString() + "] "; 169 170 if (ex != null) { 171 status = status + getString(R.string.band_mode_failed); 172 } else { 173 status = status + getString(R.string.band_mode_succeeded); 174 } 175 176 mProgressPanel = new AlertDialog.Builder(this) 177 .setMessage(status) 178 .setPositiveButton(android.R.string.ok, null).show(); 179 } 180 181 private void clearList() { 182 while(mBandListAdapter.getCount() > 0) { 183 mBandListAdapter.remove( 184 mBandListAdapter.getItem(0)); 185 } 186 } 187 188 private void log(String msg) { 189 Log.d(LOG_TAG, "[BandsList] " + msg); 190 } 191 192 private Handler mHandler = new Handler() { 193 public void handleMessage(Message msg) { 194 AsyncResult ar; 195 switch (msg.what) { 196 case EVENT_BAND_SCAN_COMPLETED: 197 ar = (AsyncResult) msg.obj; 198 199 bandListLoaded(ar); 200 break; 201 202 case EVENT_BAND_SELECTION_DONE: 203 ar = (AsyncResult) msg.obj; 204 205 getWindow().setFeatureInt( 206 Window.FEATURE_INDETERMINATE_PROGRESS, 207 Window.PROGRESS_VISIBILITY_OFF); 208 209 if (!isFinishing()) { 210 displayBandSelectionResult(ar.exception); 211 } 212 break; 213 } 214 } 215 }; 216 217 218 } 219
