Zi 字媒體

Android開發零點起飛(第五章)筆記-Menu+ProgressDialog範例改寫(5-10)   建立Menu+ProgressDialog，利用Menu+ProgressDialog的應用。     package com.jashsample; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.URI; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.HashMap; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Random; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserFactory; import android.media.MediaPlayer; import android.media.MediaPlayer.OnCompletionListener; import android.media.MediaRecorder; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.provider.ContactsContract; import android.app.Activity; import android.app.AlarmManager; import android.app.AlertDialog; import android.app.PendingIntent; import android.app.ProgressDialog; import android.app.SearchManager; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnKeyListener; import android.content.Intent; import android.content.IntentFilter; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Camera; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.Typeface; import android.hardware.Camera.Size; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.speech.RecognizerIntent; import android.speech.tts.TextToSpeech; import android.speech.tts.TextToSpeech.OnInitListener; import android.text.format.DateFormat; import android.text.method.KeyListener; import android.util.AttributeSet; import android.view.Display; import android.view.Gravity; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.SubMenu; import android.view.Surface; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.ViewGroup; import android.view.WindowManager; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.AnimationSet; import android.view.animation.RotateAnimation; import android.view.animation.ScaleAnimation; import android.view.animation.TranslateAnimation; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.GridView; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.MultiAutoCompleteTextView; import android.widget.ProgressBar; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.RatingBar; import android.widget.RatingBar.OnRatingBarChangeListener; import android.widget.RelativeLayout; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.SimpleAdapter; import android.widget.Spinner; import android.widget.TableLayout; import android.widget.TableRow; import android.widget.TextView; import android.widget.Toast; import android.widget.ToggleButton; import android.widget.ViewFlipper; /*  * 建立Menu+ProgressDialog，利用Menu+ProgressDialog的應用。  */ /*  *  */ public class MainActivity extends Activity { public TextView TextView1; public int FIRST = Menu.FIRST;//int android.view.Menu.FIRST = 1 [0x1] public int SECOND = Menu.FIRST+1; public int THREE = Menu.FIRST+2; public int FOUR = Menu.FIRST+3; public SubMenu SubMenu1; public ProgressDialog dialog; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); LinearLayout ll = new LinearLayout(this); ll.setOrientation(LinearLayout.VERTICAL); TextView1=new TextView(this); ll.addView(TextView1); setContentView(ll); } public boolean onCreateOptionsMenu(Menu menu) { menu.add(0,FIRST,1,"開始遊戲");//(int groupId, int itemId, int order, CharSequence title) menu.add(0,SECOND,2,"暫停遊戲"); menu.add(0,THREE,3,"顯示ProgressDialog"); menu.add(0,FOUR,3,"關閉遊戲"); return super.onCreateOptionsMenu(menu); } public boolean onOptionsItemSelected(MenuItem item) { if(item.getItemId()==FIRST)//FIRST { TextView1.setText("開始遊戲"); } if(item.getItemId()==SECOND)//SECOND { TextView1.setText("暫停遊戲"); } if(item.getItemId()==THREE) { //參考資料 //http://givemepass.blogspot.tw/2011/11/progressdialog.html TextView1.setText("顯示ProgressDialog"); dialog = ProgressDialog.show(this,"讀取中", "請等待3秒...",true); new Thread(new Runnable(){ @Override public void run() { try{ Thread.sleep(3000); } catch(Exception e){ e.printStackTrace(); } finally{ dialog.dismiss(); } } }).start(); } if(item.getItemId()==FOUR) { AlertDialog.Builder Builder1=new AlertDialog.Builder(this); Builder1.setTitle("關閉遊戲?"); Builder1.setMessage("確定關閉遊戲嗎?"); Builder1.setPositiveButton("確定", new DialogInterface.OnClickListener(){ public void onClick(DialogInterface dialog, int which) { TextView1.setText("關閉遊戲"); } }); Builder1.setNegativeButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { TextView1.setText("繼續遊戲"); } }); Builder1.show(); } return super.onOptionsItemSelected(item); } }