Adding TableRow add row with a View TextView dynamically to TableLayout Android sample example
Adding TableRow with a View TextView (EditText Button) programmically dynamically to TableLayout Android sample basic example.
MainClass.java
main.xml
MainClass.java
public class MainClass extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
TableLayout tl = (TableLayout)findViewById(R.id.tableLayout1);
TableRow row = new TableRow(this);
TextView tv = new TextView(this);
tv.setText("This is text");
tl.addView(row);
row.addView(tv);
}
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TableLayout android:layout_width="fill_parent"
android:id="@+id/tableLayout1" android:layout_height="wrap_content">
</TableLayout>
</LinearLayout>
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Context context = getApplicationContext();
Drawable drawable = context.getResources().getDrawable(R.drawable.my_image);
// convert drawable to bitmap
Bitmap bitmap = ((BitmapDrawable)drawable).getBitmap();
// convert bitmap to drawable
Drawable d = new BitmapDrawable(bitmap);
Android example source code.
Chytré telefony s Androidem - tabulka srovnání dle ceny:
Výrobce |
Model (codename) |
Cena, včetně DPH |
CPU MHz |
displej-rozlišení |
Velikost displeje v palcích |
ROM |
RAM |
---|---|---|---|---|---|---|---|
Huawei |
Vodafone 845 (U8120, Joy) |
1979 |
528 |
240x320 |
2.8 |
512 |
256 |
ZTE |
Vodafone 945 (ZTE Joe) |
1999 |
600 |
240x400 |
3.2 |
512 |
512 |
Huawei |
Vodafone 858 Smart (U8160) |
2177 |
528 |
240x320 |
2.8 |
512 |
256 |
Alcatel |
T-Mobile Move (OT 908) |
2294 |
600 |
240x320 |
2.8 |
512 |
512 |
Samsung |
Galaxy Y (S5360) |
2495 |
832 |
240x320 |
3 |
512 |
256 |
ZTE |
Racer II (Arizona) |
2536 |
500 |
240x320 |
2.8 |
512 |
256 |
Huawei |
Ideos X1 (U8180, Orange Stockholm) |
2549 |
528 |
240x320 |
2.8 |
512 |
256 |
Huawei |
U8100 |
2595 |
528 |
240x320 |
2.8 |
512 |
256 |
Huawei |
U8500 |
2699 |
600 |
320x480 |
3.2 |
512 |
256 |
Samsung |
Galaxy Mini (S5570) |
2799 |
600 |
240x320 |
3.14 |
512 |
256 |
Samsung |
Galaxy 5, 550 (i5500) |
2855 |
600 |
240x320 |
2.8 |
512 |
256 |
LG |
Optimus Me (P350) |
2924 |
600 |
240x320 |
2.8 |
512 |
512 |
SE |
Xperia X8 |
2977 |
600 |
320x480 |
3 |
512 |
256 |
Gigabyte |
GSmart G1310 (Roy) |
2990 |
528 |
320x480 |
3.2 |
512 |
256 |
MyPhone |
A210 |
2990 |
624 |
240x400 |
3 |
256 |
128 |
ZTE |
Orange San Francisco (ZTE Blade, U880, P729V) |
2999 |
600 |
480x800 |
3.5 |
512 |
512 |
HTC |
Explorer (Pico) |
3104 |
600 |
320x480 |
3.2 |
512 |
512 |
Huawei |
U8650 (Sonic) |
3290 |
600 |
320x480 |
3.5 |
512 |
256 |
Huawei |
Ideos X3 (U8510, Blaze) |
3377 |
600 |
320x480 |
3.2 |
512 |
256 |
Samsung |
Galaxy Y Pro (B5510) |
3390 |
832 |
240x320 |
2.6 |
|
|
Gigabyte |
GSmart G1317D (Rola) |
3504 |
528 |
240x400 |
3.2 |
512 |
256 |
SE |
Xperia Live Walkman (WT19i) |
3554 |
1000 |
320x480 |
3.2 |
1024 |
512 |
Huawei |
T-Mobile Comet (Ideos, U8150) |
3600 |
528 |
240x320 |
2.8 |
512 |
256 |
SE |
Xperia X10 mini pro (U20i, Mimmi) |
3777 |
600 |
240x320 |
2.55 |
512 |
256 |
LG |
Optimus Swift (GT540) |
3800 |
600 |
320x480 |
3 |
512 |
256 |
SE |
Xperia Mini (ST15) |
3800 |
1000 |
320x480 |
3 |
1024 |
512 |
LG |
Optimus One (P500) |
3919 |
600 |
320x480 |
3.2 |
512 |
512 |
LG |
Optimus Pro |
3928 |
800 |
240x320 |
2.8 |
512 |
256 |
HTC |
Wildfire (Buzz, Mocha, A3333) |
3999 |
528 |
240x320 |
3.2 |
512 |
384 |
LG |
Optimus Net (P690) |
4108 |
800 |
320x480 |
3.2 |
512 |
512 |
Samsung |
Galaxy Gio (S5660) |
4185 |
800 |
320x480 |
3.2 |
512 |
384 |
LG |
Optimus Hub (Univa) |
4195 |
800 |
320x480 |
3.5 |
512 |
512 |
SE |
Xperia X10 mini (E10i, Robyn) |
4195 |
600 |
240x320 |
2.55 |
512 |
256 |
Samsung |
Galaxy 3, 580, Taos (i5800) |
4500 |
667 |
240x400 |
3.2 |
512 |
256 |
Samsung |
Galaxy Ace+ (S7500) |
4550 |
1000 |
320x480 |
3.65 |
4096 |
512 |
LG |
Optimus Chic (E720) |
4550 |
600 |
320x480 |
3.2 |
512 |
512 |
Samsung |
Galaxy 551 (i5510) |
4577 |
667 |
240x400 |
3.2 |
512 |
512 |
Motrolola |
Liquid Mini E310 |
4600 |
600 |
320x480 |
3.2 |
512 |
512 |
HTC |
Wildfire S (Marvell) |
4777 |
600 |
320x480 |
3.2 |
512 |
512 |
Verzo |
Kinzo |
4799 |
1000 |
480x800 |
4.3 |
512 |
512 |
Samsung |
Galaxy Ace (S5830) |
4800 |
800 |
320x480 |
3.5 |
512 |
256 |
Motorola |
Defy mini |
4800 |
600 |
320x480 |
3.2 |
512 |
512 |
Samsung |
Galaxy Spica, Portal, Lite (i5700) |
4800 |
800 |
320x480 |
3.2 |
512 |
256 |
HTC |
Gratia (A6380, Liberty, Aria) |
4937 |
480 |
320x480 |
3.2 |
512 |
384 |
SE |
Xperia mini pro (SK17i, Mango) |
4944 |
1000 |
320x480 |
3 |
1024 |
320 |
Huawei |
Ideos X5 (U8800) |
4977 |
800 |
480x800 |
3.8 |
4096 |
512 |
HTC |
Salsa (C510e) |
4990 |
600 |
320x480 |
3.4 |
576 |
512 |
Huawei |
Boulder |
4998 |
528 |
240x320 |
2.6 |
512 |
256 |
ZTE |
Orange Monte Carlo (ZTE Skate) |
5177 |
800 |
480x800 |
4.3 |
512 |
512 |
Samsung |
Galaxy S (i9000) |
5300 |
1000 |
480x800 |
4 |
15600 |
512 |
Gigabyte |
GSmart G1315 |
5490 |
528 |
320x480 |
3.5 |
512 |
256 |
SE |
Xperia Active |
5500 |
1000 |
320x480 |
3 |
1024 |
512 |
Samsung |
Google Nexus One |
5750 |
1000 |
480x800 |
3.7 |
512 |
512 |
HTC |
Desire (A8181, Bravo) |
5999 |
1000 |
480x800 |
3.7 |
576 |
512 |
LG |
Optimus Black (P970) |
6000 |
1000 |
480x800 |
4 |
1908 |
512 |
SE |
Xperia Play |
6000 |
1000 |
480x854 |
4 |
|
|
LG |
Optimus Sol (Victor, E730) |
6000 |
1000 |
480x800 |
3.8 |
2048 |
512 |
Acer |
Liquid Metal S120 |
6061 |
800 |
480x800 |
3.6 |
512 |
512 |
Samsung |
Google Nexus S |
6200 |
1000 |
480x800 |
4 |
15600 |
512 |
HTC |
Desire Z (A7272, Vision) |
6200 |
800 |
480x800 |
3.7 |
1536 |
512 |
Samsung |
Galaxy W (i8150, Ancora) |
6200 |
1400 |
480x800 |
3.7 |
4096 |
512 |
SE |
Xperia Ray (ST18i) |
6344 |
1000 |
480x854 |
3.3 |
1024 |
512 |
Motorola |
Defy (MB525, Jordan) |
6377 |
800 |
480x854 |
3.7 |
1908 |
512 |
Motorola |
Defy + (MB526) |
6377 |
1000 |
480x854 |
3.7 |
1908 |
512 |
Samsung |
Galaxy XCover (S5690) |
6399 |
800 |
320x480 |
3.65 |
512 |
512 |
Gigabyte |
GSmart G1345 |
6490 |
800 |
320x480 |
3.5 |
512 |
512 |
HTC |
Evo 3D |
6500 |
1200 |
540x960 |
4.3 |
1024 |
1024 |
HTC |
Desire HD (Ace) |
6500 |
1000 |
480x800 |
4.3 |
1900 |
768 |
Huawei |
Honour (U8660) |
6500 |
1400 |
480x854 |
4 |
4096 |
512 |
SE |
Xperia Neo |
6590 |
1000 |
480x854 |
3.7 |
1024 |
512 |
HTC |
Legend (A6363) |
6784 |
600 |
320x480 |
3.2 |
512 |
384 |
Huawei |
Vision (U8850) |
6999 |
1000 |
480x800 |
3.7 |
2048 |
512 |
SE |
Xperia Arc (LT15i) |
7390 |
1000 |
480x854 |
4.2 |
1024 |
512 |
SE |
Xperia Pro (MK16i) |
7890 |
1000 |
480x854 |
3.7 |
1024 |
512 |
HTC |
Hero |
7975 |
528 |
320x480 |
3.2 |
288 |
512 |
SE |
Xperia Arc S (LT18i) |
8590 |
1400 |
480x854 |
4.2 |
1024 |
512 |
Samsung |
Xperia Live Walkman (WT19i) |
9700 |
1500 |
480x800 |
4.3 |
16000 |
1024 |
Motorola |
Droid Razr |
11800 |
1200 |
540x960 |
4.3 |
15600 |
1024 |
Spinner in Android application is equivalent of ComboBox in WinApi.
Spinner get selected item to string example.
Spinner get selected item position to int example.
Main activity class MainComboBox.java
File MyOnItemSelectedListener.java
strings.xml
main.xml
Spinner get selected item to string example.
Spinner get selected item position to int example.
Main activity class MainComboBox.java
public class MainComboBox extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Spinner spinner = (Spinner) findViewById(R.id.spinner);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
this, R.array.countries_array, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(new MyOnItemSelectedListener());
Button myButton =(Button)findViewById(R.id.button1);
myButton.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
Spinner sp = (Spinner)findViewById(R.id.spinner);
String spinnerString = null;
spinnerString = sp.getSelectedItem().toString();
int nPos = sp.getSelectedItemPosition();
Toast.makeText(getApplicationContext(), "getSelectedItem=" + spinnerString,
Toast.LENGTH_LONG).show();
Toast.makeText(getApplicationContext(), "getSelectedItemPosition=" + nPos,
Toast.LENGTH_LONG).show();
}
});
}
}
File MyOnItemSelectedListener.java
public class MyOnItemSelectedListener implements OnItemSelectedListener {
public void onItemSelected(AdapterView<?> parent,
View view, int pos, long id) {
Toast.makeText(parent.getContext(), "Item is " +
parent.getItemAtPosition(pos).toString(), Toast.LENGTH_LONG).show();
}
public void onNothingSelected(AdapterView parent) {
// Do nothing.
}
}
strings.xml
<resources>
<string name="hello">Hello World, MainComboBox!</string>
<string name="app_name">ComboBox</string>
<string name="prompt">Choose a country</string>
<string-array name="countries_array">
<item>China</item>
<item>India</item>
<item>USA</item>
<item>Indonesia</item>
<item>Brazil</item>
<item>Pakistan</item>
<item>Nigeria</item>
<item>Bangladesh</item>
<item>Russia</item>
</string-array>
</resources>
main.xml
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
android:orientation="vertical"
android:padding="10dip"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dip"
android:text="@string/prompt"
/>
<Spinner
android:id="@+id/spinner"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:prompt="@string/prompt"
/>
<Button android:text="Button" android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>
Android development
Java float is 32 bit single precision type and used when fractional precision calculation is required.
Java float je 32 bitů veliké číslo sloužící především pro přesný výsledek za desetinnou tečkou například při dělení čísel. Pro větší přesnost použíijte 64 bitový typ Double.
Java float is 32 bit single precision type and used when fractional precision calculation is required.
Java float je 32 bitů veliké číslo sloužící především pro přesný výsledek za desetinnou tečkou například při dělení čísel. Pro větší přesnost použíijte 64 bitový typ Double.
// declaration and assignment of value type float
float x = 18.41785f;
//print formated value
System.out.printf("The value of x is %.3f%n", x); // 18.418
// declaring more variables in single statement
float f1 = 12.4F, f2 = 564.5F, f3 = 14.589F;
// float range of value
System.out.println(Float.MIN_VALUE); // 4E-45
System.out.println(Float.MAX_VALUE); // 4028235E38
// is NaN Not-a-Number
float f = (float) Math.sqrt(-15);
boolean bNaN = Float.isNaN(f);
System.out.print(bNaN); // true
// check if a string is a valid number in Java example
// convert string to float Java example
String sF = "12.8";
float fParse = Float.parseFloat(sF);
// convert strings to numbers
String sFl = "15.48";
float fFromString = (Float.valueOf(sFl)).floatValue();
// float to string in Java example code
Float fObj = new Float(68.5);
String str = fObj.toString();
// else
Float fS = 11.6f;
String sFloat = fS.toString();
// compare two float variables
Float fComp1 = 4.3f;
if(fComp1.equals(4.3f))
System.out.print("true");
// compares the two specified float values in Java example
int i = Float.compare(11.5f, 11.7f); // -1 first < second
// 0 first == second
// 1 first > second
System.out.print(i);
String s = "AbcČ";
String s2 = s.toLowerCase(new Locale("cs_CZ")); // Czech Republic
String s3 = s.toLowerCase(new Locale("de_DE")); // Germany
//
en_US
en_GB
ar_EG
be_BY
bg_BG
ca_ES
cs_CZ
da_DK
de_DE
Editace: 2011-09-22 14:17:02
Počet článků v kategorii: 396
Url:adding-tablerow-add-row-with-a-view-textview-dynamically-to-tablelayout-android-sample-example