Custom Edittext with Line Number
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:tools="http://schemas.android.com/tools" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
android:paddingBottom="@dimen/activity_vertical_margin" | |
android:paddingLeft="@dimen/activity_horizontal_margin" | |
android:paddingRight="@dimen/activity_horizontal_margin" | |
android:paddingTop="@dimen/activity_vertical_margin" | |
tools:context=".MainActivity"> | |
<rupantor.cusedittext.MyEditText | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="@string/hello_world" /> | |
</ScrollView> |
package rupantor.cusedittext; | |
import android.content.Context; | |
import android.graphics.Canvas; | |
import android.graphics.Color; | |
import android.graphics.Paint; | |
import android.graphics.Rect; | |
import android.util.AttributeSet; | |
import android.widget.EditText; | |
/** | |
* Author S Mahbub Uz Zaman on 5/9/15. | |
* Lisence Under GPL2 | |
*/ | |
public class MyEditText extends EditText { | |
private Rect rect; | |
private Paint paint; | |
public MyEditText(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
rect = new Rect(); | |
paint = new Paint(); | |
paint.setStyle(Paint.Style.FILL); | |
paint.setColor(Color.BLACK); | |
paint.setTextSize(20); | |
} | |
@Override | |
protected void onDraw(Canvas canvas) { | |
int baseline = getBaseline(); | |
for (int i = 0; i < getLineCount(); i++) { | |
canvas.drawText("" + (i+1), rect.left, baseline, paint); | |
baseline += getLineHeight(); | |
} | |
super.onDraw(canvas); | |
} | |
} |
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I think, we should set left padding to adjust automatically! |
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how can i change line numbers direction from left to right? |
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@francisnnumbi i dont have any problem? on which api version you have problem? |
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If the code is longer then 100 lines, the text becomes to appear over the line numbers...