The application may be doing too much work on its main thread
Warning: The application may be doing too much work on its main thread
Try this sorce code:
Try this sorce code:
import android.os.StrictMode;
public class MyActivity extends Activity {
static{
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
@Override
public void onCreate(Bundle savedInstanceState) {
//.................. etc.
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If you have to type frequently the same code you can create templates which can be activate via autocomplete with Ctrl + Space.
For example lets assume setOnClickListener body.
To create a template for this select the menu Window->Preferences and Open Java -> Editor -> Templates
[caption id="attachment_1114" align="alignleft" width="300" caption="Eclipse-show-template-proposals"]
[/caption]
[caption id="attachment_1116" align="alignleft" width="300" caption="Eclipse - select your template"]
[/caption]
Quick help in Eclipse editor: select keyword and press Ctrl+1

For example lets assume setOnClickListener body.
To create a template for this select the menu Window->Preferences and Open Java -> Editor -> Templates

Type name of template in Eclipse s editor and pres Ctrl+Space
[caption id="attachment_1114" align="alignleft" width="300" caption="Eclipse-show-template-proposals"]

Select your template from intellisense help and press Enter or double click on selected item.
[caption id="attachment_1116" align="alignleft" width="300" caption="Eclipse - select your template"]

mIdButtonHome.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW,
Uri.parse("//android.okhelp.cz/category/software/"));
startActivity(browserIntent);
}
});
Quick help in Eclipse editor: select keyword and press Ctrl+1

String[] sAr = new String[] {"one","two","three"};
List<String> wordList = Arrays.asList(sAr);
Collections.shuffle( wordList);
String[]myShuffledArray = wordList.toArray(new String[wordList.size()]);
Long press by finger on screen
From dialogue select Widgets
Select your widget
Put your widget on the screen
Video tutorial - to add home screen widgets - Android 2.1
From dialogue select Widgets
Select your widget
Put your widget on the screen
Video tutorial - to add home screen widgets - Android 2.1
How get application version, sdk version, package name defined in the AndroidManifest file programmically Android sample.
MainClass.java onCreate()
AndroidManifes.xml
MainClass.java onCreate()
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// in onCreate
PackageInfo pinfo = this.getPackageManager().getPackageInfo(getPackageName(), 0);
String sVersionCode = pinfo.versionCode; // 1
String sVersionName = pinfo.versionName; // 1.0
String sPackName = getPackageName(); // cz.okhelp.my_app
int nSdkVersion = Integer.parseInt(Build.VERSION.SDK); // 7
int nSdkVers = Build.VERSION.SDK_INT; // 7
}
AndroidManifes.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="//schemas.android.com/apk/res/android"
package="cz.okhelp.my_app"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="7" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Add_view_to_tableActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Date difference in millisecond between two date, GregorianCalendar, Calendar, after(), befor(), getTimeInMillis().
public class HoriziontalScrollActivity extends Activity {
TextView txtV;
Context cntx;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
txtV = (TextView)findViewById(R.id.idLabel);
cntx = this;
StringBuilder strBuild = new StringBuilder();
Calendar firstDate = new GregorianCalendar(2011, Calendar.DECEMBER, 31);
Calendar secondDate = new GregorianCalendar(2012, Calendar.JANUARY, 1);
Boolean bDetermine = firstDate.after(secondDate); // false
strBuild.append("Is firsDate after secondDate? " + bDetermine + "
");
bDetermine = firstDate.before(secondDate); // true
strBuild.append("Is firsDate before secondDate? " + bDetermine + "
");
long differenceInMillisecond = 0L;
differenceInMillisecond = secondDate.getTimeInMillis()-firstDate.getTimeInMillis();
// second == 1000 millisecond
long second = differenceInMillisecond / 1000L;
strBuild.append("Difference between two dates is: " + second + "
");
txtV.setText(strBuild);
}
}
Editace: 2013-12-09 10:11:46
Počet článků v kategorii: 396
Url:the-application-may-be-doing-too-much-work-on-its-main-thread