sqlite database get path Android
Context context = getApplicationContext();
String DB_PATH = "/data/data/"
+ context.getPackageName()
+ "/databases/";
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Další témata ....(Topics)
Toast in Android application is equivalent of Alert in JavaScript or MessageBox in WinApi.
// Toast android.widget.Toast.makeText(Context context, CharSequence text, int duration)
// public static Toast makeText (Context context, CharSequence text, int duration)
Toast.makeText(getApplicationContext(), "Hello world!",
Toast.LENGTH_SHORT).show();
Table of usability phones with Android: (Our software)
Graph of usability Smartphone with Android - October 2011:
Samsung Galaxy S2 vs iPhone4 - browsing, gaming, apps, performance, browser, fast, against, navigation, Sygic, apk, Android, iOS
October 2011 | September 2011 | ||||||||||||||||||||||||||||||||||||||||
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Graph of usability Smartphone with Android - October 2011:
Samsung Galaxy S2 vs iPhone4 - video
Samsung Galaxy S2 vs iPhone4 - browsing, gaming, apps, performance, browser, fast, against, navigation, Sygic, apk, Android, iOS
Show keyboard Android phone apps development example source code.
// ActivityClass.java
InputMethodManager showSoftInput;
Button hBtnKeyboardShow ;
//onCreate
showSoftInput = (InputMethodManager)this.getSystemService(Context.INPUT_METHOD_SERVICE);
hBtnKeyboardShow = (Button)findViewById(R.id.btnKeyboardShow);
hBtnKeyboardShow.setOnClickListener(myButtonListener);
// END onCreate
//button listener
private OnClickListener myButtonListener = new OnClickListener() {
public void onClick(View v) {
try {
showSoftInput.getInputMethodList();
showSoftInput.toggleSoftInput(showSoftInput.SHOW_FORCED, 0);
} catch (Exception e) {
Log.e("Keyboard show ", e.getMessage());
}
}
};
Wiktionary - SDK samples Android
about.xml
protected void showAbout() {
// Inflate the about message contents
View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
// When linking text, force to always use default color. This works
// around a pressed color state bug.
TextView textView = (TextView) messageView.findViewById(R.id.about_credits);
int defaultColor = textView.getTextColors().getDefaultColor();
textView.setTextColor(defaultColor);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.app_icon);
builder.setTitle(R.string.app_name);
builder.setView(messageView);
builder.create();
builder.show();
}
about.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2009 The Android Open Source Project
//www.apache.org/licenses/LICENSE-2.0
-->
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="20dip">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16sp"
android:text="@string/app_descrip"
android:textColor="?android:attr/textColorPrimaryInverse" />
<TextView
android:id="@+id/about_credits"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="20dip"
android:textSize="16sp"
android:text="@string/app_credits"
android:autoLink="web"
android:textColor="?android:attr/textColorPrimaryInverse" />
</LinearLayout>
Physical pixel (px)
Density independent pixel (dp)
Dots per inch (dpi) .. physical pixels per inch
px = dp * (dpi / 160)
Density independent pixel (dp)
Dots per inch (dpi) .. physical pixels per inch
px = dp * (dpi / 160)
public static int dpToPx(int dp)
{
return (int) (dp * Resources.getSystem().getDisplayMetrics().density);
}
public static int pxToDp(int px)
{
return (int) (px / Resources.getSystem().getDisplayMetrics().density);
}
Editace: 2013-12-14 12:00:05
Počet článků v kategorii: 396
Url:sqlite-database-get-path-android