TableRow TableLayout table row add delete remove removeview addview Android example
AD MOB
TableRow TableLayout table row add delete remove removeview addview get table row index indexOfChild create table row dynamically TextView dynamically Android example
Main.java
main.xml ScrollView, TableLayout, TableRow, TextView Android xml layout example
Main.java
TableLayout table = (TableLayout)findViewById(R.id.table);
TableRow row = (TableRow)findViewById(R.id.row);
// get table row index android.
int nIndex = table.indexOfChild(row);
table.removeView(row); // invisible and height == 0
// add row into same place
table.addView(row, nIndex); // visible
// add row into certain position
table.addView(row, 3); // visible
// create new TableRow dynamically
TableRow tr = new TableRow(this);
tr.setLayoutParams(new LayoutParams(
LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
// create own function for append TableRow
private void appendRow(TableLayout table) {
TableRow row = new TableRow(this);
TextView hLabel = new TextView(this);
hLabel.setText("Some text");
hLabel.setPadding(3, 3, 3, 3);
TextView hNextLabel = new TextView(this);
hNextLabel.setText("Next text");
hNextLabel.setPadding(3, 3, 3, 3);
hNextLabel.setGravity(Gravity.RIGHT | Gravity.TOP);
row.addView(hLabel, new TableRow.LayoutParams(1));
row.addView(hNextLabel, new TableRow.LayoutParams());
table.addView(row, new TableLayout.LayoutParams());
}
main.xml ScrollView, TableLayout, TableRow, TextView Android xml layout example
<ScrollView xmlns:android="//schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TableLayout
android:id="@+id/table"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TableRow>
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Row index 0"/>
</TableRow>
<TableRow android:id="@+id/row">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Row index 1"/>
</TableRow>
<TableRow>
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Row index 2"/>
</TableRow>
<TableRow>
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Row index 3"/>
</TableRow>
</TableLayout>
</ScrollView>
397LW NO topic_id
AD
Další témata ....(Topics)
Html.fromHtml(String) does not support all HTML tags. For example < ul > and < li > are not supported.
Try this source code as a substitute for HTML List Tags.
Result:
• Cessnock
• Dubbo
• Goulburn
• Grafton
• Lithgow
• Liverpool
• Newcastle
Supported tags
a
b
big
blockquote
br
cite
dfn
div
em
font
h1-h6
i
img
p
small
strong
sub
sup
tt
u
Try this source code as a substitute for HTML List Tags.
String str =
"• Cessnock<br />"
+"• Dubbo<br />"
+"• Goulburn<br />"
+"• Grafton<br />"
+"• Lithgow<br />"
+"• Liverpool<br />"
+"• Newcastle<br />"
;
textview.setText(Html.fromHtml(str));
Result:
• Cessnock
• Dubbo
• Goulburn
• Grafton
• Lithgow
• Liverpool
• Newcastle
Supported tags
bla.com
a
b
big
blockquote
br
cite
dfn
div
em
font
h1-h6
i
img
p
small
strong
sub
sup
tt
u
You have to add constructor!
public static class YourFragment extends Fragment {
//you have to add constructor!!!!!
public YourFragment(){}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.activity_main, container, false);
return view;
}
}
Problemi is in e.getMessage() what can return null and Log.e (String tag, String msg) will throws an new exception !!!!
Problem and solution:
LogCat:
Or you can using this code:
Problem and solution:
try {
int [] i = {1};
int z = i[5];
} catch (ArrayIndexOutOfBoundsException e) {
String s = e.toString(); // s == java.lang.ArrayIndexOutOfBoundsException
// try to testing String s for null value
if(s != null)
Log.e("bla", s);
else
Log.e("bla", "My error text 1");
String s2 = e.getMessage(); // s2 == null !!!!!!!
// you need to testing String s2 for null value , or you get FATAL EXCEPTION: main
// and application will be crashed
String s2 = e.getMessage(); // s2 == null !!!!!!!
if(s2 != null)
Log.e("bla2", e.getMessage());
else
Log.e("bla2", "My error text 2");
// this is OK
e.printStackTrace();
}
LogCat:
E/bla(855): java.lang.ArrayIndexOutOfBoundsException
E/bla2(855): My error text 2
W/System.err(855): java.lang.ArrayIndexOutOfBoundsException
W/System.err(855): at cz.okhelp.motion._MotionActivity.onTouchEvent(_MotionActivity.java:54)
W/System.err(855): at android.app.Activity.dispatchTouchEvent(Activity.java:2099)
W/System.err(855): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1675)
W/System.err(855): at android.view.ViewRoot.deliverPointerEvent(ViewRoot.java:2194)
W/System.err(855): at android.view.ViewRoot.handleMessage(ViewRoot.java:1878)
W/System.err(855): at android.os.Handler.dispatchMessage(Handler.java:99)
W/System.err(855): at android.os.Looper.loop(Looper.java:123)
W/System.err(855): at android.app.ActivityThread.main(ActivityThread.java:3683)
W/System.err(855): at java.lang.reflect.Method.invokeNative(Native Method)
W/System.err(855): at java.lang.reflect.Method.invoke(Method.java:507)
W/System.err(855): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
W/System.err(855): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
W/System.err(855): at dalvik.system.NativeStart.main(Native Method)
Or you can using this code:
try {
int [] i = {1};
int z = i[5];
} catch (Exception e) {
StringBuilder sb = new StringBuilder().append(e.getClass().getSimpleName());
if (e.getMessage() != null) {
sb.append("
");
sb.append(e.getMessage());
}
Log.e("err", sb.toString()); // E/err(336): ArrayIndexOutOfBoundsException
// this code write out all message
Log.e("myError", "methodName", e);
}
// E/myError(371): methodName
// E/myError(371): java.lang.ArrayIndexOutOfBoundsException
// E/myError(371): at cz.okhelp.motion._MotionActivity.onTouchEvent(_MotionActivity.java:54)
// E/myError(371): at android.app.Activity.dispatchTouchEvent(Activity.java:2099)
// E/myError(371): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1675)
// E/myError(371): at android.view.ViewRoot.deliverPointerEvent(ViewRoot.java:2194)
// E/myError(371): at android.view.ViewRoot.handleMessage(ViewRoot.java:1878)
// E/myError(371): at android.os.Handler.dispatchMessage(Handler.java:99)
// E/myError(371): at android.os.Looper.loop(Looper.java:123)
// E/myError(371): at android.app.ActivityThread.main(ActivityThread.java:3683)
// E/myError(371): at java.lang.reflect.Method.invokeNative(Native Method)
// E/myError(371): at java.lang.reflect.Method.invoke(Method.java:507)
// E/myError(371): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
// E/myError(371): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
// E/myError(371): at dalvik.system.NativeStart.main(Native Method)
Cross Button in EditText Android for deleting clearing text in EditText Example source code:
Example allow delete text in EditText by cross button, or do Button click performance.
main.xml type your package name and class
Put into drawable folder cross and ok image.
CustomEditText.java
YourActivity.java
//android.okhelp.cz/wiktionary-aplikace-pro-android/
Example allow delete text in EditText by cross button, or do Button click performance.
main.xml type your package name and class
Put into drawable folder cross and ok image.
<cz.okhelp.wiktionary.CustomEditText
android:id="@+id/editTextZadejSlovo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="2"
android:ems="10"
android:hint="TypeAndPressGreen"
android:singleLine="true"
android:lines="1"
android:maxLines="1"
android:drawableLeft="@drawable/cross"
android:drawableRight="@drawable/ok" />
<!--button is invisible 0 height 0 width for performance click on button in EditText-->
<Button
android:id="@+id/btnGO"
android:layout_width="0sp"
android:layout_height="0sp"
android:layout_weight="0"
android:text="GO" />
CustomEditText.java
package cz.okhelp.wiktionary; // your package name
import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.widget.Button;
import android.widget.EditText;
public class CustomEditText extends EditText
{
private Drawable dLeft,dRight;
private Rect lBounds,rBounds;
private static Button btnOk;
public CustomEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public CustomEditText(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomEditText(Context context) {
super(context);
}
@Override
public void setCompoundDrawables(Drawable left, Drawable top,
Drawable right, Drawable bottom)
{
if(left !=null) {
dLeft = left;
}
if(right !=null){
dRight = right;
}
super.setCompoundDrawables(left, top, right, bottom);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER) {
btnOk.requestFocus();
btnOk.performClick();
}
return super.onKeyUp(keyCode, event);
}
@Override
public boolean onTouchEvent(MotionEvent event)
{
final int x = (int)event.getX();
final int y = (int)event.getY();
if(event.getAction() == MotionEvent.ACTION_UP && dLeft!=null) {
lBounds = dLeft.getBounds();
int n1 = this.getLeft();
int n2 = this.getLeft()+lBounds.width();
int n3 = this.getPaddingTop();
int n4 = this.getHeight()-this.getPaddingBottom();
// leva strana
if( x>=(this.getLeft())
&& x<=(this.getLeft()+lBounds.width())
&& y>=this.getPaddingTop()
&& y<=(this.getHeight()-this.getPaddingBottom()))
{
this.setText("");
event.setAction(MotionEvent.ACTION_CANCEL);//use this to prevent the keyboard from coming up
}
}
if(event.getAction() == MotionEvent.ACTION_UP && dRight!=null)
{
rBounds = dRight.getBounds();
int n1 = this.getRight()-rBounds.width();
int n2 = this.getRight()-this.getPaddingRight();
int n3 = this.getPaddingTop();
int n4 = this.getHeight()-this.getPaddingBottom();
// prava strana
if(x>=(this.getRight()-rBounds.width()) && x<=(this.getRight()-this.getPaddingRight())
&& y>=this.getPaddingTop() && y<=(this.getHeight()-this.getPaddingBottom()))
{
btnOk.requestFocus();
btnOk.performClick();
event.setAction(MotionEvent.ACTION_CANCEL);//use this to prevent the keyboard from coming up
}
}
return super.onTouchEvent(event);
}
@Override
protected void finalize() throws Throwable
{
dRight = null;
rBounds = null;
super.finalize();
}
public void setBtnOk(Button btnOk) {
this.btnOk = btnOk;
}
public Button getBtnOk() {
return btnOk;
}
}
YourActivity.java
//onCreate
Button mBtnGO = (Button)findViewById(R.id.btnGO);
CustomEditText mEditZadani = (CustomEditText)this.findViewById(R.id.editTextZadejSlovo);
mEditZadani.setBtnOk(mBtnGO);
mBtnGO.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// do stuff for signInButtonClick
}
});
//android.okhelp.cz/wiktionary-aplikace-pro-android/
// image from res/drawable
int resID = getResources().getIdentifier("my_image",
"drawable", getPackageName());
// view
int resID = getResources().getIdentifier("my_resource",
"id", getPackageName());
// string
int resID = getResources().getIdentifier("my_string",
"string", getPackageName());
Editace: 2011-09-18 08:32:50
Počet článků v kategorii: 397
Url:tablerow-tablelayout-table-row-add-delete-remove-removeview-addview-android-example
AD
