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android.content.Context的实例源码
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@Override
public void onReceive(final Context context,Intent intent) {
if (AppWidgetManager.ACTION_APPWIDGET_HOST_RESTORED.equals(intent.getAction())) {
final int[] oldIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_OLD_IDS);
final int[] newIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
if (oldIds.length == newIds.length) {
final PendingResult asyncResult = goAsync();
new Handler(LauncherModel.getWorkerLooper())
.postAtFrontOfQueue(new Runnable() {
@Override
public void run() {
restoreAppWidgetIds(context,asyncResult,oldIds,newIds);
}
});
}
}
}
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@Override
public void onReceive(final Context context,final Intent intent) {
final String action = intent.getAction();
if (RSCService.bro ADCAST_RSC_MEASUREMENT.equals(action)) {
final float speed = intent.getFloatExtra(RSCService.EXTRA_SPEED,0.0f);
final int cadence = intent.getIntExtra(RSCService.EXTRA_CADENCE,0);
final float totaldis tance = intent.getFloatExtra(RSCService.EXTRA_TOTAL_dis TANCE,RSCManagerCallbacks.NOT_AVAILABLE);
final int activity = intent.getIntExtra(RSCService.EXTRA_ACTIVITY,RSCManagerCallbacks.ACTIVITY_WALKING);
// Update GUI
onMeasurementReceived(speed,cadence,totaldis tance,activity);
} else if (RSCService.bro ADCAST_STRIDES_UPDATE.equals(action)) {
final int strides = intent.getIntExtra(RSCService.EXTRA_STRIDES,0);
final float dis tance = intent.getFloatExtra(RSCService.EXTRA_dis TANCE,0);
// Update GUI
onStripesUpdate(dis tance,strides);
}
}
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private void setUp(Context context,AttributeSet attrs)
{
TypedArray a =context.obtainStyledAttributes(attrs,R.styleable.CoolImageView);
String direction=a.getString(R.styleable.CoolImageView_direction);
if (direction == null)
{
throw new RuntimeException("You don't set direction properties,If you don't want to do that." +
"You can use ordinary ImageView instead");
}
else if (direction.equals("vertical"))
{
isSetVerticalMove = true;
}
else if (direction.equals("horizontal"));
else
{
throw new RuntimeException("Direction attribute set is not valid,It is only allowed to set to vertical or horizontal");
}
mDrawable = getDrawable();
mHandler = new MoveHandler();
mHandler.sendEmptyMessageDelayed(1,220L);
}
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public static void setupPay(Context cxt,Config config ) {
Intent i = new Intent(cxt,ZhiActivity.class);
i.putExtra(EXTRA_KEY_PAY_CONfig ,config );
cxt.startActivity(i);
}
项目：@H_404 _2@Customerly-Android-SDK
文件 ：@H_404 _2@IAct_AInput.java
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@Override
public void onReceive(Context context,Intent intent) {
boolean connected = IU_Utils.checkConnection(context);
if(connected) {
if(this.attendingReconnection) {
this.attendingReconnection = false;
onReconnection();
}
} else {
this.attendingReconnection = true;
}
}
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/**
* isWifi
*
* @para m context
* @return boolean
*/
public static boolean isWifi(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystem Service(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
if (activeNetInfo != null
&& activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
return true;
}
return false;
}
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/**
* Handles the server error,tries to determine whether to show a stock message or to
* show a message retrieved from the server.
*
* @para m err Volley error
* @para m context Context
* @return String
*/
private static String handleServerError(Object err,Context context) {
VolleyError error = (VolleyError) err;
NetworkResponse response = error.networkResponse;
if (response != null) {
switch (response.statusCode) {
case 404 :
case 422:
case 400:
case 401:
try {
String string = new String(error.networkResponse.data);
JSONObject object = new JSONObject(string);
if (object.has("message")) {
return object.get("message").toString();
}
else if(object.has("error_description")) {
return object.get("error_description").toString();
}
}catch (JSONException e)
{
return "Could not parse response";
}
// invalid request
return error.getMessage();
default:
return ERR_UNKNow N_STATUS_CODE;
}
}
return ERR_GENERIC;
}
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public static void start(Context context,String subscriber,String url,int requestType) {
Intent intent = new Intent(context,TlIntentService.class);
intent.putExtra(Extra.SUBSCRIBER,subscriber);
intent.putExtra(Extra.URL,url);
intent.putExtra(Extra.REQUEST_TYPE,requestType);
context.startService(intent);
}
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public static Drawable getDrawable(Context context,int id){
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
return context.getDrawable(id);
} else {
return context.getResources().getDrawable(id);
}
}
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@Nullable
private SMSMessageCursorWrapper getSMSMessagesByThreadId(Context context,int threadId,boolean desc,int limit) {
if (!Permissions.isGranted(context,Permissions.READ_SMS) ||
!Permissions.isGranted(context,Permissions.READ_CONTACTS)) {
return null;
}
String orderClause = (desc ? DATE + " DESC " : DATE + " ASC ");
String limitClause = (limit > 0 ? " LIMIT " + limit : "");
Cursor cursor = contentResolver.query(
URI_CONTENT_SMS,null,THREAD_ID + " = ? " +
// we don't support drafts yet
" AND " + ADDRESS + " NOT NULL ",new String[]{String.valueOf(threadId)},orderClause + limitClause);
return (validate(cursor) ? new SMSMessageCursorWrapper(cursor) : null);
}
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public static @NonNull IdentityKeyPair getIdentityKeyPair(@NonNull Context context) {
if (!hasIdentityKey(context)) throw new AssertionError("There isn't one!");
try {
IdentityKey publicKey = getIdentityKey(context);
ECPrivateKey privateKey = Curve.decodePrivatePoint(Base64.decode(retrieve(context,IDENTITY_PRIVATE_KEY_PREF)));
return new IdentityKeyPair(publicKey,privateKey);
} catch (IOException e) {
throw new AssertionError(e);
}
}
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public EmptyViewPod(Context context) {
super(context);
}
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/**
* This method will format the temperatures to be dis played in the
* following form: "HIGH° / LOW°"
*
* @para m context Android Context to access preferences and resources
* @para m high High temperature for a day in user's preferred units
* @para m low Low temperature for a day in user's preferred units
*
* @return String in the form: "HIGH° / LOW°"
*/
public static String formatHighLows(Context context,double high,double low) {
long roundedHigh = Math.round(high);
long roundedLow = Math.round(low);
String formattedHigh = formatTemperature(context,roundedHigh);
String formattedLow = formatTemperature(context,roundedLow);
String highLowStr = formattedHigh + " / " + formattedLow;
return highLowStr;
}
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public MonthRecyclerView(Context context,@Nullable AttributeSet attrs) {
super(context,attrs);
mAdapter = new MonthAdapter(context);
setLayoutManager(new GridLayoutManager(context,3));
setAdapter(mAdapter);
mAdapter.seto nItemClickListener(new BaseRecyclerAdapter.OnItemClickListener() {
@Override
public void onItemClick(int position,long itemId) {
if (mListener != null) {
Month month = mAdapter.getItem(position);
mListener.onMonthSelected(month.getYear(),month.getMonth());
}
}
});
}
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FragmentHostCallback(Activity activity,Context context,Handler handler,int windowAnimations) {
this.mFragmentManager = new FragmentManagerImpl();
this.mActivity = activity;
this.mContext = context;
this.mHandler = handler;
this.mWindowAnimations = windowAnimations;
}
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public static Library readAdapter(Context context,String name)
throws IOException,ClassNotFoundException {
String path = (context
.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS) + "/.Thunder_Music/.online");
File file = new File(path,name);
FileInputStream fin = new FileInputStream(file);
ObjectInputStream ois = new ObjectInputStream(fin);
Library library = (Library) ois.readob ject();
ois.close();
return library;
}
项目：@H_404 _2@downloadmanager
文件 ：@H_404 _2@RealSystem Facade.java
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@Override
public NetworkInfo getActiveNetworkInfo() {
ConnectivityManager connectivity =
(ConnectivityManager) mContext.getSystem Service(Context.CONNECTIVITY_SERVICE);
if (connectivity == null) {
Log.w(TAG,"Could n't get connectivity manager");
return null;
}
final NetworkInfo activeInfo = connectivity.getActiveNetworkInfo();
if (activeInfo == null && Constants.LOGVV) {
Log.v(TAG,"network is not available");
}
return activeInfo;
}
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@Test
public void useAppContext() throws Exception {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getTargetContext();
assertEquals("thenewpotato.blogg",appContext.getPackageName());
}
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@Override
public boolean dis patchTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
View v = getCurrentFocus();
if (isShouldHideKeyboard(v,ev)) {
InputMethodManager imm = (InputMethodManager) getSystem Service(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getwind owToken(),InputMethodManager.HIDE_NOT_ALWAYS);
}
}
return super.dis patchTouchEvent(ev);
}
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public Volumeto ast(Context context)
{
super(context);
setDuration(Toast.LENGTH_SHORT);
LayoutInflater inflater = (LayoutInflater) context.getSystem Service(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.jukeBox _volume,null);
progressBar = (ProgressBar) view.findViewById(R.id.jukeBox _volume_progress_bar);
setView(view);
setGravi ty(Gravi ty.TOP,0);
}
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private String getDescriptionNoUpdate(Context context) {
if (descriptionNoUpdate == null) {
return String.format(context.getResources().getString(R.string.appupdater_update_not_available_description),UtilsLibrary.getAppName(context));
} else {
return descriptionNoUpdate;
}
}
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public SaiyAssets(final Context context) throws IOException {
super(context);
// File appDir = context.getExternalFilesDir(null);
// if (null == appDir)
// throw new IOException("cannot get external files dir,"
// + "external storage state is " + Environment.getExternalStorageState());
// externalDir = new File(appDir,SYNC_DIR);
// assetManager = context.getAssets();
}
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public static void launch(Context activity,int from,String title,String icon,String liveUrl,int launchMode,String staticsId,String fragId,String desc) {
LogInfo.log("fornia","share forlepai---SharePageactivity launch");
Intent intent = new Intent(activity,SharePageActivity.class);
intent.putExtra("from",from);
intent.putExtra("launchMode",launchMode);
intent.putExtra("title",title);
intent.putExtra(WidgetRequestPara m.REQ_Para M_COMMENT_CONTENT,desc);
intent.putExtra(SettingsJsonConstants.APP_ICON_KEY,icon);
intent.putExtra("liveUrl",liveUrl);
intent.putExtra("staticsId",staticsId);
intent.putExtra("fragId",fragId);
activity.startActivity(intent);
}
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public static final int getSongCountForPlaylist(final Context context,final long playlistId) {
Cursor c = context.getContentResolver().query(
MediaStore.Audio .Playlists.Members.getContentUri("external",playlistId),new String[]{BaseColumns._ID},MUSIC_ONLY_SELECTION,null);
if (c != null) {
int count = 0;
if (c.moveto Firs t()) {
count = c.getCount();
}
c.close();
c = null;
return count;
}
return 0;
}
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public static void addExcludedpath (Context context,String path) {
if (excludedpath s == null) {
excludedpath s = loadExcludedpath s(context);
}
if (!excludedpath s.contains(path)) {
excludedpath s.add(path);
}
}
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/**
* Constructor
*
* @para m context
* the current context
* @para m listener
* the scrolling listener
*/
public WheelScroller(Context context,ScrollingListener listener) {
gestureDetector = new GestureDetector(context,gestureListener);
gestureDetector.setIsLongpressEnabled(false);
scroller = new Scroller(context);
this.listener = listener;
this.context = context;
}
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public static void showNotification(Context context,String message,boolean is_hint) {
if (context == null) {
return;
}
NotificationCompat.Builder builder = new NotificationCompat.Builder(
context);
builder.setStyle(
new NotificationCompat
.BigTextStyle(builder)
.bigText(message)
.setBigContentTitle(title))
.setContentTitle(title)
.setContentText(message)
.setSmallIcon(R.drawable.ic_notification)
.setTicker(message);
Intent intent = new Intent(context,MainActivity.class);
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
TaskStackBuilder stack_builder = TaskStackBuilder.create(context);
stack_builder.addParentStack(MainActivity.class);
stack_builder.addNextIntent(intent);
PendingIntent pending_intent = stack_builder
.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(pending_intent);
notificationmanager notify_manager = (notificationmanager ) context
.getSystem Service(Context.NOTIFICATION_SERVICE);
notify_manager.notify(is_hint ? hint_notification_index
: notification_index,builder.build());
if (!is_hint) {
notification_index++;
}
}
项目：@H_404 _2@tenor -android-demo-search
文件 ：@H_404 _2@AbstractDrawableu tils.java
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/**
* Sets a tint on top of the desired drawable
*
* @para m context the context
* @para m drawable source drawable to apply the tint
* @para m tintColorResId color res id of the desired tint
*/
public static void setDrawableTint(@Nullable final Context context,@NonNull final Drawable drawable,@ColorRes final int tintColorResId) {
if (context == null || drawable == null) {
throw new Illegal ArgumentException("inputs cannot be null,context: " + context
+ ",drawable: " + drawable);
}
setDrawableTint(drawable,AbstractColorUtils.getColor(context,tintColorResId));
}
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@Override
public void initialize(SurfaceTextureHelper surfaceTextureHelper,Context applicationContext,CapturerObserver capturerObserver) {
this.applicationContext = applicationContext;
this.capturerObserver = capturerObserver;
this.surfaceHelper = surfaceTextureHelper;
this.cameraThreadHandler =
surfaceTextureHelper == null ? null : surfaceTextureHelper.getHandler();
}
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public static void setIconBadge(Context context,int count) {
try {
if (!Build.MANUFACTURER.equalsIgnor eCase(MiBandHelper.KEY_DATA_SOURCE)) {
if (Build.MANUFACTURER.equalsIgnor eCase(LeakCanaryInternals.SAMSUNG)) {
setToSamsumg(context,count);
} else if (Build.MANUFACTURER.toLowerCase().contains("sony")) {
setToSony(context,count);
}
}
} catch (Exception e) {
e.printstacktrace ();
}
}
项目：@H_404 _2@PicShow-zhaipin
文件 ：@H_404 _2@Jcme diaManager.java
@H_
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public void prepare(final Context context,final String url,final Map<String,String> mapHeadData,boolean loop) {
if (TextUtils.isEmpty(url)) return;
releaseMediaPlayer();
Message msg = new Message();
msg.what = HANDLER_PREPARE;
FuckBean fb = new FuckBean(context,url,mapHeadData,loop);
msg.obj = fb;
mMediaHandler.sendMessage(msg);
}
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private ColorStateList getTintListFromCache(@NonNull Context context,@DrawableRes int resId) {
if (mTintLists != null) {
final SparseArray<ColorStateList> tints = mTintLists.get(context);
return tints != null ? tints.get(resId) : null;
}
return null;
}
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public Skeleto nGroup(@NonNull Context context) {
super(context);
}
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public static int dip2px(Context context,float dpValue) {
final float scale = context.getResources().getdis playMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
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public MyLoadingButton(Context context,AttributeSet attrs) {
super(context,attrs);
initView();
setAttrs(attrs,context);
}
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/**
* Constructor used from XML.
*/
public TextResize(Context context,attrs);
addTarget(TextView.class);
}
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public static int getColorPrimaryDarkResId(Context context) {
return getResId(context,APPCOMPAT_COLOR_PRIMARY_DARK_ATTRS);
}
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public static Uri createFile(Context context,Uri self,String mimeType,String dis playName) {
return DocumentsContract.createDocument(context.getContentResolver(),self,mimeType,dis playName);
}
@H_
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@Override
public void onAttach(Context context) {
super.onAttach(context);
listener = (ItemDialogListener) context;
}
@H_
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public static void clearNotifications(Context context,int nId) {
notificationmanager notificationmanager = (notificationmanager ) context.getSystem Service(Context.NOTIFICATION_SERVICE);
notificationmanager .cancel(nId);
}
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