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FoundDetails.md

File metadata and controls

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I will update this file at when i find new things

for remove title bar

// go to (...)\styles.xml 
<style name="AppTheme" parent="@android:style/Theme.NoTitleBar" />
// detail is -> style/Theme.NoTitleBar

customizing objects / drawables

// create xml file to -> (...) res/drawable/
// file name needs to be lower case
// paste this code =
<?xml version="1.0" encoding="UTF-8"?> 
<shape xmlns:android="http://schemas.android.com/apk/res/android"> 
    <solid android:color="#ffffffff"/>    
</shape>
//usage = android:background="@drawable/ name"
// you can use this pages to learn inner elements =

positioning in relative layout

Directly link

get battery percent

import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;

IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
Intent batteryStatus = getApplicationContext().registerReceiver(null, ifilter);
int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
float batteryPct = level / (float)scale;
float p =(batteryPct * 100);

object get width - height

import android.widget.*;
import android.widget.TextView;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.ViewGroup;

final View view1=(View) findViewById(R.id.viewId);
// in this solution, view1 is a guide for view2
view1.post(new Runnable(){
@Override
public void run()
{
 view1.getWidth();
 view1.getHeight();
// using sizes
 View view2=(View) findViewById(R.id.view2);
 ViewGroup.LayoutParams viewG1=view1.getLayoutParams();
 viewG1.width=view1.getWidth()-50;
 view2.setLayoutParams(viewG1);
}
});
links

link 1

Android Studio - Adb / Virtual device connection

go to this folder (default) -> %localappdata% / android / sdk / platform-tools /
and copy path (for example)-> C:\Users\UserName\AppData\Local\Android\Sdk\platform-tools
open cmd and change directory to that path -> cd "C:\Users\UserName\AppData\Local\Android\Sdk\platform-tools"
and use adb commands , example -> adb connect 127.0.0.1:5555(this is the virtual device's address)

Android Studio - Licence fix

go to settings / android sdk
change tab SDK Platforms -> SDK Tools
download Google Play Licensing Library 
you can also download Android SDK build Tools

if you cant get string for condition use .equals

String x="Hello World!";
if(x.replace(" ","").equals("HelloWorld!")==true)
{
System.out.println(" HELLO ");
}

Fit UI for all devices

use Relative Layout Instead Other Layouts