Using Db4o in an Android Application

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React-Native force rtl on android

MainApplication.java import com.facebook.react.modules.i18nmanager.I18nUtil;   //add this code to the onCreate method I18nUtil sharedI18nUtilInstance = I18nUtil.getInstance(); sharedI18nUtilInstance.forceRTL(this,true); sharedI18nUtilInstance.allowRTL(this, true);import com.facebook.react.modules.i18nmanager.I18nUtil; //add this code to the onCreate method I18nUtil sharedI18nUtilInstance = I18nUtil.getInstance(); sharedI18nUtilInstance.forceRTL(this,true); sharedI18nUtilInstance.allowRTL(this, true);

import android.support.v7.app.ActionBarActivity

With Latest version: import androidx.appcompat.app.AppCompatActivity;   public class BaseActivity extends AppCompatActivity {   } import androidx.appcompat.app.AppCompatActivity; public class BaseActivity extends AppCompatActivity { }

Android split string

String currentString = "Hello Java-Hello World"; String[] separated = currentString.split("-"); separated[0]; // this will result into "Hello Java" separated[1]; // this will result into "Hello World"String currentString = "Hello Java-Hello World"; String[] separated = currentString.split("-"); separated[0]; // this will result into "Hello Java" separated[1]; // this will result into "Hello World"

Android start service on boot

<!– Allows application to receive actions related to rebooting –> <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />   <!– Inside your <application> –> <receiver android:name="com.example.MyBroadcastReceiver" android:exported="true" android:enabled="true" android:installLocation="internalOnly"> <intent-filter> <!– Handles cold reboot (power off/on) –> <action android:name="android.intent.action.BOOT_COMPLETED" /> <!– Handles quick restart –> <action android:name="android.intent.action.QUICKBOOT_POWERON" /> </intent-filter> </receiver><!– Allows application to receive actions related to rebooting –> <uses-permission … Read more

Get image to imageview from sqlite database android studio

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

Storage permission android

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

Android hide keyboard

public void hideKeyboard(Context context, View view) { InputMethodManager inputMethodManager = (InputMethodManager) context.getSystemService(Activity.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); }   //Call below code from inside an Activity. hideKeyboard(this, view); hideKeyboard(this, getCurrentFocus()); hideKeyboard(this, getWindow().getDecorView()); hideKeyboard(this, findViewById(android.R.id.content));public void hideKeyboard(Context context, View view) { InputMethodManager inputMethodManager = (InputMethodManager) context.getSystemService(Activity.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); } //Call below code from inside an Activity. hideKeyboard(this, view); hideKeyboard(this, … Read more

Copy to clipboard android

import android.content.ClipboardManager; . . . ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); ClipData clipData = ClipData.newPlainText("label", "Text that needs to be copied"); clipboardManager.setPrimaryClip(clipData);import android.content.ClipboardManager; . . . ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); ClipData clipData = ClipData.newPlainText("label", "Text that needs to be copied"); clipboardManager.setPrimaryClip(clipData);