EditText hint not show
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Try this solution - into xml file add row to EditText tag:
android:textColorHint="@color/grey"
397LW NO topic_id
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Další témata ....(Topics)
HorizontalScrollView ScrollView LinearLayout horizontal vertical Android xml basic example and image.
[caption id="attachment_889" align="alignleft" width="200" caption="horizontal scrollview horizontalscrollview android"]
[/caption]
Other sample
[caption id="attachment_889" align="alignleft" width="200" caption="horizontal scrollview horizontalscrollview android"]

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:id="@+id/LinearLayout01"
android:layout_width="fill_parent" android:layout_height="fill_parent"
xmlns:android="//schemas.android.com/apk/res/android">
// horizontal and vertical Scrollview
<ScrollView android:id="@+id/ScrollView01"
android:layout_height="135px" android:layout_width="wrap_content"
android:scrollbars="horizontal|vertical">
// HorizontalScrollview
<HorizontalScrollView android:id="@+id/HorizontalScrollView01"
android:layout_height="fill_parent" android:layout_width="wrap_content">
<LinearLayout android:id="@+id/LinearLayout02"
android:layout_width="wrap_content" android:orientation="vertical"
android:layout_height="fill_parent">
<LinearLayout android:orientation="horizontal"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:layout_weight="1">
<TextView android:text="red" android:gravity="center_horizontal"
android:background="#aa0000" android:layout_width="200px"
android:layout_height="fill_parent" android:layout_weight="1" />
<TextView android:text="green" android:gravity="center_horizontal"
android:background="#00aa00" android:layout_width="200px"
android:layout_height="fill_parent" android:layout_weight="1" />
<TextView android:text="blue" android:gravity="center_horizontal"
android:background="#0000aa" android:layout_width="200px"
android:layout_height="fill_parent" android:layout_weight="1" />
<TextView android:text="yellow" android:gravity="center_horizontal"
android:background="#aaaa00" android:layout_width="200px"
android:layout_height="fill_parent" android:layout_weight="1" />
</LinearLayout>
<LinearLayout android:orientation="vertical"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:layout_weight="1">
<TextView android:text="row one" android:textSize="15pt"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView android:text="row two" android:textSize="15pt"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView android:text="row three" android:textSize="15pt"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView android:text="row four" android:textSize="15pt"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:layout_weight="1" />
</LinearLayout>
</LinearLayout>
</HorizontalScrollView>
</ScrollView>
</LinearLayout>
Other sample
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/layout"
android:orientation="vertical" >
<HorizontalScrollView
android:id="@+id/horizontalScrollView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Hello world! First TextView" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
</HorizontalScrollView>
</LinearLayout>
Converting to string: TypedValue{t=0x10/d=0xe a=-1}
- 14
// error
- "18"
// ok
MainActivity.java
activity_main.xml
AndroidManifest.xml do not forget INTERNET uses-permission !!!!!!!
package com.asynctaskexample;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
public class MainActivity extends Activity {
private TextView textView;
private ProgressBar progressBar;
private DownloadWebPageTask mTask = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.TextView01);
downloadPage();
}
// AsyncTask <TypeOfVarArgParams , ProgressValue , ResultValue> .
private class DownloadWebPageTask extends AsyncTask<String, Integer, String> {
@Override
protected void onPreExecute() {
//textView.setText("Hello !!!");
progressBar = (ProgressBar) findViewById(R.id.progressBar1);
progressBar.setVisibility(View.VISIBLE);
super.onPreExecute();
}
@Override
protected void onProgressUpdate(Integer... values) {
super.onProgressUpdate(values);
}
@Override
protected String doInBackground(String... urls) {
String response = "";
for (String url : urls) {
DefaultHttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(url);
try {
HttpResponse execute = client.execute(httpGet);
InputStream content = execute.getEntity().getContent();
BufferedReader buffer = new BufferedReader(new InputStreamReader(
content));
String s = "";
while ((s = buffer.readLine()) != null) {
response += s;
}
} catch (Exception e) {
e.printStackTrace();
}
}
return response;
}
@Override
protected void onPostExecute(String result) {
progressBar.setVisibility(View.INVISIBLE);
textView.setText(result);
}
}
private void downloadPage() {
if (mTask != null
&& mTask.getStatus() != DownloadWebPageTask.Status.FINISHED) {
mTask.cancel(true);
}
// execute(String[]) you can put array of links to web pages, or array of Integer[]
// if first param is Integer[] etc.
mTask = (DownloadWebPageTask) new DownloadWebPageTask()
.execute(new String[] { "//android.okhelp.cz/android-market.html",
"//android.okhelp.cz/android-market.html" });
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mTask != null
&& mTask.getStatus() != DownloadWebPageTask.Status.FINISHED) {
mTask.cancel(true);
mTask = null;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
activity_main.xml
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ProgressBar
android:id="@+id/progressBar1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/TextView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
</LinearLayout>
AndroidManifest.xml do not forget INTERNET uses-permission !!!!!!!
<uses-permission android:name="android.permission.INTERNET" />
break statement in Java Android basic example
MainClass.java
MainClass.java
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = {"nothing", "Hello", "people"
, "bye-bye", "hello", "world!", "end" };
for (int i = 0; i < arrayOfString.length; i++) {
System.out.println(arrayOfString[i]);
if(i > 2)
break; // end of loop
}
}
}
/*
nothing
Hello
people
bye-bye
*/
public class Panel extends SurfaceView implements SurfaceHolder.Callback {
//............... code
//............... some code
/**
* Process the MotionEvent.
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
synchronized (getHolder()) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
performClick();
} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
if(_currentGraphic==null)return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
}
return true;
}
}
/////////////////////////////
@Override
public boolean performClick() {
// Calls the super implementation, which generates an AccessibilityEvent
// and calls the onClick() listener on the view, if any
super.performClick();
// Handle the action for the custom click here
return true;
}
}
Editace: 2017-02-11 12:27:39
Počet článků v kategorii: 397
Url:edittext-hint-not-show
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