android Programming Glossary: context
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 Intent mIntent Retrieve SMS public void onReceive Context context Intent intent mContext context mIntent intent String action.. void onReceive Context context Intent intent mContext context mIntent intent String action intent.getAction if action.equals.. SMS_RECEIVED_ACTION broadcastIntent.putExtra sms str context.sendBroadcast broadcastIntent public static SmsMessage getMessagesFromIntent..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android public LinearLayoutThatDetectsSoftKeyboard Context context AttributeSet attrs super context attrs public interface Listener.. Context context AttributeSet attrs super context attrs public interface Listener public void onSoftKeyboardShown..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context @Override.. String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground.. Context context public DownloadTask Context context this.context context @Override protected String doInBackground String.....
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a network_enabled false public boolean getLocation Context context LocationResult result I use LocationResult callback class to.. code. locationResult result if lm null lm LocationManager context.getSystemService Context.LOCATION_SERVICE exceptions will be..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables in Android is to associate your state with the Application context. As you know each Activity is also a Context which is information.. in the broadest sense. Your application also has a context and Android guarantees that it will exist as a single instance.. for your entire application. You can access it from any context using the Context.getApplicationContext method Activity also..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application final Context mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT.. mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT.. Version if android.os.Build.VERSION.SDK_INT 17 DB_PATH context.getApplicationInfo .dataDir databases else DB_PATH data data..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 message PendingIntent piSent PendingIntent.getBroadcast mContext 0 new Intent SENT 0 PendingIntent piDelivered PendingIntent.getBroadcast.. 0 PendingIntent piDelivered PendingIntent.getBroadcast mContext 0 new Intent DELIVERED 0 SmsManager smsManager SmsManager.getDefault.. android.provider.Telephony.SMS_RECEIVED private Context mContext private Intent mIntent Retrieve SMS public void onReceive..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android import android.app.Activity import android.content.Context import android.graphics.Rect import android.util.AttributeSet.. LinearLayout public LinearLayoutThatDetectsSoftKeyboard Context context AttributeSet attrs super context attrs public interface.. heightMeasureSpec Activity activity Activity getContext Rect rect new Rect activity.getWindow .getDecorView .getWindowVisibleDisplayFrame..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context.. Integer String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground.. PowerManager pm PowerManager context.getSystemService Context.POWER_SERVICE PowerManager.WakeLock wl pm.newWakeLock PowerManager.PARTIAL_WAKE_LOCK..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a import java.util.TimerTask import android.content.Context import android.location.Location import android.location.LocationListener.. boolean network_enabled false public boolean getLocation Context context LocationResult result I use LocationResult callback.. if lm null lm LocationManager context.getSystemService Context.LOCATION_SERVICE exceptions will be thrown if provider is not..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds 0. You just DO WHAT YOU WANT TO. import android.content.Context import android.text.Layout.Alignment import android.text.StaticLayout.. Default constructor override public AutoResizeTextView Context context this context null Default constructor when inflating.. when inflating from XML file public AutoResizeTextView Context context AttributeSet attrs this context attrs 0 Default constructor..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables Application context. As you know each Activity is also a Context which is information about its execution environment in the.. application. You can access it from any context using the Context.getApplicationContext method Activity also provides a method.. access it from any context using the Context.getApplicationContext method Activity also provides a method getApplication which..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context some programmers recommend you to use this.getApplicationContext as often as possible in order to not leak out any memory. This.. context share improve this question getApplicationContext is almost always wrong. Ms. Hackborn among others have been.. have been very explicit that you only use getApplicationContext when you know why you are using getApplicationContext and only..
How to make an Android Spinner with initial text “Select One” http://stackoverflow.com/questions/867518/how-to-make-an-android-spinner-with-initial-text-select-one NoDefaultSpinner extends Spinner public NoDefaultSpinner Context context super context public NoDefaultSpinner Context context.. Context context super context public NoDefaultSpinner Context context AttributeSet attrs super context attrs public NoDefaultSpinner.. attrs super context attrs public NoDefaultSpinner Context context AttributeSet attrs int defStyle super context attrs..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application import java.io.OutputStream import android.content.Context import android.database.SQLException import android.database.sqlite.SQLiteDatabase.. name private SQLiteDatabase mDataBase private final Context mContext public DataBaseHelper Context context super context.. private SQLiteDatabase mDataBase private final Context mContext public DataBaseHelper Context context super context DB_NAME..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 private Context mContext private Intent mIntent Retrieve SMS public void onReceive Context context Intent intent mContext context mIntent intent String action intent.getAction if action.equals ACTION_SMS_RECEIVED String.. Context mContext private Intent mIntent Retrieve SMS public void onReceive Context context Intent intent mContext context mIntent intent String action intent.getAction if action.equals ACTION_SMS_RECEIVED String address str int contactId 1.. Intent broadcastIntent new Intent broadcastIntent.setAction SMS_RECEIVED_ACTION broadcastIntent.putExtra sms str context.sendBroadcast broadcastIntent public static SmsMessage getMessagesFromIntent Intent intent Object messages Object intent.getSerializableExtra..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android class LinearLayoutThatDetectsSoftKeyboard extends LinearLayout public LinearLayoutThatDetectsSoftKeyboard Context context AttributeSet attrs super context attrs public interface Listener public void onSoftKeyboardShown boolean isShowing private.. extends LinearLayout public LinearLayoutThatDetectsSoftKeyboard Context context AttributeSet attrs super context attrs public interface Listener public void onSoftKeyboardShown boolean isShowing private Listener listener public void..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog modify the UI thread from here private class DownloadTask extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground String... sUrl take CPU.. private class DownloadTask extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground String... sUrl take CPU lock to prevent CPU from going off.. DownloadTask extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground String... sUrl take CPU lock to prevent CPU from going off if the user..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a locationResult boolean gps_enabled false boolean network_enabled false public boolean getLocation Context context LocationResult result I use LocationResult callback class to pass location value from MyLocation to user code. locationResult.. class to pass location value from MyLocation to user code. locationResult result if lm null lm LocationManager context.getSystemService Context.LOCATION_SERVICE exceptions will be thrown if provider is not permitted. try gps_enabled lm.isProviderEnabled..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables this. I have found however that a more elegant way in Android is to associate your state with the Application context. As you know each Activity is also a Context which is information about its execution environment in the broadest sense... also a Context which is information about its execution environment in the broadest sense. Your application also has a context and Android guarantees that it will exist as a single instance across your application. The way to do this is to create.. create an instance of that class and make it available for your entire application. You can access it from any context using the Context.getApplicationContext method Activity also provides a method getApplication which has the exact same effect..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application YourDbName Database name private SQLiteDatabase mDataBase private final Context mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT 17 DB_PATH context.getApplicationInfo.. name private SQLiteDatabase mDataBase private final Context mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT 17 DB_PATH context.getApplicationInfo .dataDir.. Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT 17 DB_PATH context.getApplicationInfo .dataDir databases else DB_PATH data data context.getPackageName databases this.mContext context public..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 device public static void sendSMS String phoneNumber String message PendingIntent piSent PendingIntent.getBroadcast mContext 0 new Intent SENT 0 PendingIntent piDelivered PendingIntent.getBroadcast mContext 0 new Intent DELIVERED 0 SmsManager smsManager.. piSent PendingIntent.getBroadcast mContext 0 new Intent SENT 0 PendingIntent piDelivered PendingIntent.getBroadcast mContext 0 new Intent DELIVERED 0 SmsManager smsManager SmsManager.getDefault int length message.length if length MAX_SMS_MESSAGE_LENGTH.. .toString private static final String ACTION_SMS_RECEIVED android.provider.Telephony.SMS_RECEIVED private Context mContext private Intent mIntent Retrieve SMS public void onReceive Context context Intent intent mContext context mIntent..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android total area of the window then a soft keyboard is probably showing. import android.app.Activity import android.content.Context import android.graphics.Rect import android.util.AttributeSet import android.widget.LinearLayout LinearLayoutThatDetectsSoftKeyboard.. . public class LinearLayoutThatDetectsSoftKeyboard extends LinearLayout public LinearLayoutThatDetectsSoftKeyboard Context context AttributeSet attrs super context attrs public interface Listener public void onSoftKeyboardShown boolean isShowing.. widthMeasureSpec int heightMeasureSpec int height MeasureSpec.getSize heightMeasureSpec Activity activity Activity getContext Rect rect new Rect activity.getWindow .getDecorView .getWindowVisibleDisplayFrame rect int statusBarHeight rect.top int..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog can easily modify the UI thread from here private class DownloadTask extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground String... sUrl.. here private class DownloadTask extends AsyncTask String Integer String private Context context public DownloadTask Context context this.context context @Override protected String doInBackground String... sUrl take CPU lock to prevent CPU from.. going off if the user presses the power button during download PowerManager pm PowerManager context.getSystemService Context.POWER_SERVICE PowerManager.WakeLock wl pm.newWakeLock PowerManager.PARTIAL_WAKE_LOCK getClass .getName wl.acquire try InputStream..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a locationResult And here's MyLocation class import java.util.Timer import java.util.TimerTask import android.content.Context import android.location.Location import android.location.LocationListener import android.location.LocationManager import.. lm LocationResult locationResult boolean gps_enabled false boolean network_enabled false public boolean getLocation Context context LocationResult result I use LocationResult callback class to pass location value from MyLocation to user code... value from MyLocation to user code. locationResult result if lm null lm LocationManager context.getSystemService Context.LOCATION_SERVICE exceptions will be thrown if provider is not permitted. try gps_enabled lm.isProviderEnabled LocationManager.GPS_PROVIDER..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds TERMS AND CONDITIONS FOR COPYING DISTRIBUTION AND MODIFICATION 0. You just DO WHAT YOU WANT TO. import android.content.Context import android.text.Layout.Alignment import android.text.StaticLayout import android.text.TextPaint import android.util.AttributeSet.. at the smallest text size private boolean mAddEllipsis true Default constructor override public AutoResizeTextView Context context this context null Default constructor when inflating from XML file public AutoResizeTextView Context context AttributeSet.. Context context this context null Default constructor when inflating from XML file public AutoResizeTextView Context context AttributeSet attrs this context attrs 0 Default constructor override public AutoResizeTextView Context context..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables elegant way in Android is to associate your state with the Application context. As you know each Activity is also a Context which is information about its execution environment in the broadest sense. Your application also has a context and Android.. instance of that class and make it available for your entire application. You can access it from any context using the Context.getApplicationContext method Activity also provides a method getApplication which has the exact same effect class MyApp.. and make it available for your entire application. You can access it from any context using the Context.getApplicationContext method Activity also provides a method getApplication which has the exact same effect class MyApp extends Application private..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context it so far Each is an instance of its class which means that some programmers recommend you to use this.getApplicationContext as often as possible in order to not leak out any memory. This is because the other this getting the Activity instance context.. and the application context will be useless wrong android context share improve this question getApplicationContext is almost always wrong. Ms. Hackborn among others have been very explicit that you only use getApplicationContext when you.. is almost always wrong. Ms. Hackborn among others have been very explicit that you only use getApplicationContext when you know why you are using getApplicationContext and only when you need to use getApplicationContext . To be blunt..
How to make an Android Spinner with initial text “Select One” http://stackoverflow.com/questions/867518/how-to-make-an-android-spinner-with-initial-text-select-one not display prompt if the entry list is empty. public class NoDefaultSpinner extends Spinner public NoDefaultSpinner Context context super context public NoDefaultSpinner Context context AttributeSet attrs super context attrs public NoDefaultSpinner.. class NoDefaultSpinner extends Spinner public NoDefaultSpinner Context context super context public NoDefaultSpinner Context context AttributeSet attrs super context attrs public NoDefaultSpinner Context context AttributeSet attrs int defStyle super.. super context public NoDefaultSpinner Context context AttributeSet attrs super context attrs public NoDefaultSpinner Context context AttributeSet attrs int defStyle super context attrs defStyle @Override public void setAdapter SpinnerAdapter orig..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application import java.io.IOException import java.io.InputStream import java.io.OutputStream import android.content.Context import android.database.SQLException import android.database.sqlite.SQLiteDatabase import android.database.sqlite.SQLiteOpenHelper.. String DB_PATH private static String DB_NAME YourDbName Database name private SQLiteDatabase mDataBase private final Context mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT.. DB_PATH private static String DB_NAME YourDbName Database name private SQLiteDatabase mDataBase private final Context mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT..
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