Date getDate is deprecated Java Android
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Date getDate is deprecated Java Android example code:
long dayInMili = 100000000;
GregorianCalendar calToDay = new GregorianCalendar();
int nD = calToDay.get((Calendar.MILLISECOND)); // +dayInMili;
System.out.println(nD);
long lTime = calToDay.getTimeInMillis();
System.out.println(lTime);
Date dtA = new Date(lTime); // today
///@SuppressWarnings("deprecation")
int nD1 = dtA.getDate(); // DEPRECATED Day Of Month 1 - 31
System.out.println(nD1+" nD1");
GregorianCalendar cal = new GregorianCalendar();
int nD2 = calToDay.get(Calendar.DATE); // Day Of Month
System.out.println(nD2+" nD2");
cal.setTimeInMillis(lTime+dayInMili);// setTime(dtA);
int nD3 = cal.get(Calendar.DATE); // Day Of Month + 1 day
System.out.println(nD3+" nD3");
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Why the app selects data from basic layout folder if smallest width is higher then the number in folder name?
Example 1
layout-sw600dp values-sw600dp (smallest width sw for data usage from this folder is 600dp density independent pixel!!!!!)
Device screen resolution is 1200 x 900 px (pixel) Wow, app to be select data from sw600dp folder! Realy?
DPI of device screen - dot per inch (pixel per inch) is 480 pixel it is wery important number!
In our case smallest dimension of screen must be at least 1800 real - physical pixels (1800 px / 3 ratio(dpi/160) = 600 dp (dip density independend pixels) to be used data from folders values-sw600dp and layout-sw600dp.
Example 2 see Example 1 abouve
Device: Nexus 7 (2012) selected from Android Studio tool layout editor
Resolution: 800x1280 px
DPI: tvdpi (approximately 213dpi)
Ratio: 1.33 (213 / 160)
Smallest width in px: 800
Convert px to dp: 601.5 (800 / 1.33)
Result:Smallest width is 601.5dp The App to be used data from folders values-sw600dp and layout-sw600dp.
Example 1
layout-sw600dp values-sw600dp (smallest width sw for data usage from this folder is 600dp density independent pixel!!!!!)
Device screen resolution is 1200 x 900 px (pixel) Wow, app to be select data from sw600dp folder! Realy?
DPI of device screen - dot per inch (pixel per inch) is 480 pixel it is wery important number!
- App selects smallest dimension of screen. In our case 900 px
Medium screen have 160 dpi (The density-independent pixel is equivalent to one physical pixel on a 160 dpi screen, which is the baseline density assumed by the system for a "medium" density screen.). - App calculate ratio 480 / 160 = 3 (The conversion of dp units to screen pixels: px = dp * (dpi / 160))
- App calculate smallest dimesnion of screen in dp 900 / 3 = 300 dip or dp (density independed pixel).
- App selects data from basic values and layout folder because sw600dp is greater than 300dp.
In our case smallest dimension of screen must be at least 1800 real - physical pixels (1800 px / 3 ratio(dpi/160) = 600 dp (dip density independend pixels) to be used data from folders values-sw600dp and layout-sw600dp.
Example 2 see Example 1 abouve
Device: Nexus 7 (2012) selected from Android Studio tool layout editor
Resolution: 800x1280 px
DPI: tvdpi (approximately 213dpi)
Ratio: 1.33 (213 / 160)
Smallest width in px: 800
Convert px to dp: 601.5 (800 / 1.33)
Result:Smallest width is 601.5dp The App to be used data from folders values-sw600dp and layout-sw600dp.
Samsung S6102 Galaxy Y Duos umožňuje pracovat se dvěma aktivními SIM kartami a má GPS navigaci. Cena cca 4.500 korun / léto 2012.
Displej
Rozlišení displeje 320 x 240
Velikost displeje 3.14 "
Počet barev 262000
Rozměry 104 mm x 60 mm x 11.5 mm
Fotoaparát 3 Mpix, natačení videosekvencí
Operační system Android 2.3 (Gingerbread)
Procesor 832 MHz
Funkce Dual sim, Změny velikosti písma, Java, Internetový prohlížeč Přehrávání MP3, jack 3,5, Psaní SMS a e-mailů Multimediální zprávy MMS, Dlouhé SMS, Emailový prohlížeč, Kontakty a volání Hlasité handsfree, MP3/WMA/AAC vyzvánění, Skupiny volajících, Baterie
Typ baterie Li-Ion 1300 mAh
Doba hovoru 370 min
Pohotovostní doba 440 hodin
Uživatelská paměť 160 MB
Datové funkce GPS modul, WiFi, Bluetooth, GPRS, EDGE, Hardwarový modem
Aplikace Diktafon, Kalendář, FM rádio, Záznamník hovoru, Hry v telefonu, Kalkulačka, Budík
Mobilní telefony Samsung mají velmi dobrý poměr KVALITA / CENA
Displej
Rozlišení displeje 320 x 240
Velikost displeje 3.14 "
Počet barev 262000
Rozměry 104 mm x 60 mm x 11.5 mm
Fotoaparát 3 Mpix, natačení videosekvencí
Operační system Android 2.3 (Gingerbread)
Procesor 832 MHz
Funkce Dual sim, Změny velikosti písma, Java, Internetový prohlížeč Přehrávání MP3, jack 3,5, Psaní SMS a e-mailů Multimediální zprávy MMS, Dlouhé SMS, Emailový prohlížeč, Kontakty a volání Hlasité handsfree, MP3/WMA/AAC vyzvánění, Skupiny volajících, Baterie
Typ baterie Li-Ion 1300 mAh
Doba hovoru 370 min
Pohotovostní doba 440 hodin
Uživatelská paměť 160 MB
Datové funkce GPS modul, WiFi, Bluetooth, GPRS, EDGE, Hardwarový modem
Aplikace Diktafon, Kalendář, FM rádio, Záznamník hovoru, Hry v telefonu, Kalkulačka, Budík
Mobilní telefony Samsung mají velmi dobrý poměr KVALITA / CENA
[2013-07-06 16:10:29 - SDK Manager] [SDK Manager] Error: Error parsing the sdk.
[2013-07-06 16:10:29 - SDK Manager] [SDK Manager] Error: Failed to create C:\Program Files\android\sdk\add-ons.
[2013-07-06 16:10:29 - SDK Manager] [SDK Manager] Error: Unable to parse SDK content.
You have to create add-ons folder as admin of PC
[2013-07-06 16:10:29 - SDK Manager] [SDK Manager] Error: Failed to create C:\Program Files\android\sdk\add-ons.
[2013-07-06 16:10:29 - SDK Manager] [SDK Manager] Error: Unable to parse SDK content.
You have to create add-ons folder as admin of PC
File -> Settings -> Keymap you can do select Eclipse keymap from drop down menu
Ctrl+Shift+A (Help | Find Action on the main menu) and start typing the name of the action. Choose the desired action from the suggestion list.
Ctrl+Click (on Windows) or Cmd+Click (on MacOS) a tab in the editor to navigate to any part of the file path. Select the necessary element in the drop-down, and the corresponding file path opens in an external browser (e.g., in the Explorer, if your OS is Windows).
Ctrl+F find
Refactor | Rename: Shift+F6 ( +F6)
Find and replace: CTRL + R
Go to variable declaration: CTRL + B
Ctrl+Shift+I (View | Quick Definition)
Ctrl+Alt+F7 (Edit | Find | Show Usages in the main menu)
Ctrl+Shift+F find in project
Ctrl+Shift+F7 (Edit | Find | Highlight Usages in File) to quickly highlight usages of some variable in the current file.
Use F3 and Shift+F3 keys to navigate through highlighted usages.
Press Escape to remove highlighting.
Ctrl+W (extend selection) in the editor selects the word at the caret and then selects expanding areas of the source code. For example, it may select a method name, then the expression that calls this method, then the whole statement, then the containing block, etc. You can also select the word at the caret and the expanding areas of the source code by double-clicking the target areas in the editor.
To search through the classes, files, tool windows, actions, settings, and symbols of your project by double pressing the Shift key
Ctrl+P (View | Parameter Info) e.g. localURL = new URL(localUrlString); select localUrlString and press Ctrl + P
Show html documentation tooltips: CTRL + Q
Comment uncomment single line: CTRL + /
Comment uncomment selected text: CTRL + SHIFT + /
Code completion (Ctrl+Space)
Alt key and mouse pointer dragging for column selection
If nothing is selected in the editor, and you press Ctrl+C, then the whole line at caret is copied to the clipboard.
Ctrl + Delete delete word from caret to end.
Ctrl + Backspace delete word from caret to start.
Duplicate line: CTRL + D
To compare two directories,or jar files, select one or both of them in the Project view and press Ctrl+D.
Editor Delete Line: CTRL + Y
Move line UP, DOWN. Select a code fragment and press Ctrl+Shift+Up or Ctrl+Shift+Down.
To open any class or file in the editor at the desired line, press Ctrl+Shift+N (Navigate | File), start typing the name, and choose the one from the suggestion list. Then type the colon (:) and a line number
Ctrl+Shift+Enter to complete a current statement such as if, do-while, try-catch, return (or a method call)
Alt+Enter to invoke a quick fix or intention action, press the right arrow key to reveal the list of additional options.
To quickly review your recent changes to the project: Alt+Shift+C
Code Completion, you can accept the currently highlighted selection in the popup list with the period character (.), comma (,), semicolon (;), space and other characters.
Quickly move between methods in the editor: Alt+Up and Alt+Down
Ctrl+Shift+J shortcut joins two lines into one and removes unnecessary space to match your code style
Ctrl+Shift+V to choose and insert recent clipboard contents into the text
Inheritance hierarchy for a selected class: Ctrl+H
Right-clicking on a breakpoint marker you can quickly enable/disable the breakpoint or adjust its properties.
Evaluate the value of any expression while debugging the program, select its text in the editor (you may press a Ctrl+W a few times to efficiently perform this operation) and press Alt+F8.
Quickly evaluate the value of any expression while debugging the program, hold Alt and click this expression to see its value and calculate it, call a method, etc.
You can use the Extract Variable refactoring even on incomplete statements. Just select the necessary block in the editor and press Ctrl+Alt+V.
To open any particular method or field in editor: Ctrl+Alt+Shift+N
Add unimplemented methods: CTRL + I
Override methods: CTRL + O
Format code: CTRL + ALT + L
Show project: ALT + 1
Show logcat: ALT + 6
Hide project - logcat: SHIFT + ESC
Build: CTRL + F9
Build and Run: CTRL + F10
Alt+Shift+F10 access the Run/Debug dropdown on the main toolbar
Collapse all: CTRL + SHIFT + NumPad +
Expand all: CTRL + SHIFT + NumPad -
Ctrl+Shift+A (Help | Find Action on the main menu) and start typing the name of the action. Choose the desired action from the suggestion list.
Ctrl+Click (on Windows) or Cmd+Click (on MacOS) a tab in the editor to navigate to any part of the file path. Select the necessary element in the drop-down, and the corresponding file path opens in an external browser (e.g., in the Explorer, if your OS is Windows).
Find - Rename
Ctrl+F find
Refactor | Rename: Shift+F6 ( +F6)
Find and replace: CTRL + R
Go to variable declaration: CTRL + B
Ctrl+Shift+I (View | Quick Definition)
Ctrl+Alt+F7 (Edit | Find | Show Usages in the main menu)
Ctrl+Shift+F find in project
Ctrl+Shift+F7 (Edit | Find | Highlight Usages in File) to quickly highlight usages of some variable in the current file.
Use F3 and Shift+F3 keys to navigate through highlighted usages.
Press Escape to remove highlighting.
Ctrl+W (extend selection) in the editor selects the word at the caret and then selects expanding areas of the source code. For example, it may select a method name, then the expression that calls this method, then the whole statement, then the containing block, etc. You can also select the word at the caret and the expanding areas of the source code by double-clicking the target areas in the editor.
To search through the classes, files, tool windows, actions, settings, and symbols of your project by double pressing the Shift key
Ctrl+P (View | Parameter Info) e.g. localURL = new URL(localUrlString); select localUrlString and press Ctrl + P
Show html documentation tooltips: CTRL + Q
Edit
Comment uncomment single line: CTRL + /
Comment uncomment selected text: CTRL + SHIFT + /
Code completion (Ctrl+Space)
Alt key and mouse pointer dragging for column selection
If nothing is selected in the editor, and you press Ctrl+C, then the whole line at caret is copied to the clipboard.
Ctrl + Delete delete word from caret to end.
Ctrl + Backspace delete word from caret to start.
Duplicate line: CTRL + D
To compare two directories,or jar files, select one or both of them in the Project view and press Ctrl+D.
Editor Delete Line: CTRL + Y
Move line UP, DOWN. Select a code fragment and press Ctrl+Shift+Up or Ctrl+Shift+Down.
To open any class or file in the editor at the desired line, press Ctrl+Shift+N (Navigate | File), start typing the name, and choose the one from the suggestion list. Then type the colon (:) and a line number
Ctrl+Shift+Enter to complete a current statement such as if, do-while, try-catch, return (or a method call)
Alt+Enter to invoke a quick fix or intention action, press the right arrow key to reveal the list of additional options.
To quickly review your recent changes to the project: Alt+Shift+C
Code Completion, you can accept the currently highlighted selection in the popup list with the period character (.), comma (,), semicolon (;), space and other characters.
Quickly move between methods in the editor: Alt+Up and Alt+Down
Ctrl+Shift+J shortcut joins two lines into one and removes unnecessary space to match your code style
Ctrl+Shift+V to choose and insert recent clipboard contents into the text
Inheritance hierarchy for a selected class: Ctrl+H
Right-clicking on a breakpoint marker you can quickly enable/disable the breakpoint or adjust its properties.
Evaluate the value of any expression while debugging the program, select its text in the editor (you may press a Ctrl+W a few times to efficiently perform this operation) and press Alt+F8.
Quickly evaluate the value of any expression while debugging the program, hold Alt and click this expression to see its value and calculate it, call a method, etc.
You can use the Extract Variable refactoring even on incomplete statements. Just select the necessary block in the editor and press Ctrl+Alt+V.
To open any particular method or field in editor: Ctrl+Alt+Shift+N
Add unimplemented methods: CTRL + I
Override methods: CTRL + O
Format code: CTRL + ALT + L
Show project: ALT + 1
Show logcat: ALT + 6
Hide project - logcat: SHIFT + ESC
Build: CTRL + F9
Build and Run: CTRL + F10
Alt+Shift+F10 access the Run/Debug dropdown on the main toolbar
Collapse all: CTRL + SHIFT + NumPad +
Expand all: CTRL + SHIFT + NumPad -
Issue: After after renaming package this problem occurred "R cannot be resolved to a variable".
Solution: Try Clean your project Project » Clean » Clean projects selected below » select your project and click OK.
Try to delete the invalid code and type it again:
Solution: Try Clean your project Project » Clean » Clean projects selected below » select your project and click OK.
Try to delete the invalid code and type it again:
LinearLayout layout = (LinearLayout) findViewById(R.id.layout); // delete R.id.layout
LinearLayout layout = (LinearLayout) findViewById();
LinearLayout layout = (LinearLayout) findViewById(R.id.layout); // re-write this code R.id.layout
Editace: 2012-12-07 14:42:23
Počet článků v kategorii: 397
Url:date-getdate-is-deprecated-java-android
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