draw text in canvas using edittext
activity_main.xml
<RelativeLayout 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:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="packagename.MainActivity">
<intraction.arrow.app.DrawView
android:id="@+id/drawView"
android:layout_width="fill_parent"
android:layout_height="200dp" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/editText"
android:hint="Enter your Text"
android:focusable="true"
android:layout_below="@+id/drawView"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save Image"
android:id="@+id/button"
android:layout_below="@+id/editText"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>
MainActivity.java
package packagename;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends ActionBarActivity {
Communicator communicator;
//ListView listView;
EditText editText;
Button saveButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//listView = (ListView) findViewById(R.id.listView);
//NetworkConfig config = new NetworkConfig("http://arrowgifts.com/mobile/mobile_home");
//drawView = new DrawView(this);
//drawView = (DrawView) findViewById(R.id.drawView);
communicator = (Communicator)findViewById(R.id.drawView);
//setContentView(drawView);
// save();
saveButton = (Button) findViewById(R.id.button);
saveButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
communicator.saveImage();
}
});
editText = (EditText) findViewById(R.id.editText);
editText.addTextChangedListener( new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
communicator.writeText(editText.getText().toString());
}
@Override
public void afterTextChanged(Editable editable) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* Communicator
* **/
public interface Communicator{
public void writeText(String string);
public void saveImage();
}
}
//...................................\\
DrawView.java
package packagename;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;
/**
* Created by sravan on 4/22/2014.
*/
public class DrawView extends View implements MainActivity.Communicator {
Bitmap bitmap;
Bitmap newBitmap;
// public DrawView(Context context) {
// this(context,null);
// bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.templer);
// newBitmap = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth()-100,bitmap.getHeight()-100);
//
//
// }
public DrawView(Context context, AttributeSet attrs) {
super(context, attrs);
bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.templer);
newBitmap = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth()-100,bitmap.getHeight()-100);
}
// public DrawView(Context context, AttributeSet attrs, int defStyleAttr) {
// super(context, attrs, defStyleAttr);
// }
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setColor(Color.RED);
paint.setTextSize(50);
paint.setStyle(Paint.Style.FILL);
canvas.drawBitmap(newBitmap, 0, 0, null);
canvas.drawText(textToBeWritten, 10, 50, paint);
setDrawingCacheEnabled(true);
}
private String textToBeWritten ="Enter Text" ;
@Override
public void writeText(String string) {
textToBeWritten = string;
invalidate();
}
@Override
public void saveImage() {
SaveFile saveFile = new SaveFile();
saveFile.save(getDrawingCache());
}
}
SaveFile.java
package packagename;
import android.graphics.Bitmap;
import android.os.Environment;
import android.util.Log;
import java.io.File;
import java.io.FileOutputStream;
/**
* Created by sravan on 4/23/2014.
*/
public class SaveFile {
//Bitmap bitmap;// = getDrawingCache();
public void save(Bitmap bitmap) {
String root = Environment.getExternalStorageDirectory().toString();
File myDir = new File(root + "/saved_images");
myDir.mkdirs();
String fname = "Image.jpg";
File file = new File (myDir, fname);
if (file.exists ()) file.delete ();
try {
FileOutputStream out = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
out.flush();
out.close();
Log.i("Success", root + "/saved_images");
} catch (Exception e) {
e.printStackTrace();
}
}
}
//..............................//
Tested in Android 4.2.2. API Level 19, and working fine.
activity_main.xml
<RelativeLayout 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:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="packagename.MainActivity">
<intraction.arrow.app.DrawView
android:id="@+id/drawView"
android:layout_width="fill_parent"
android:layout_height="200dp" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/editText"
android:hint="Enter your Text"
android:focusable="true"
android:layout_below="@+id/drawView"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save Image"
android:id="@+id/button"
android:layout_below="@+id/editText"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>
MainActivity.java
package packagename;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends ActionBarActivity {
Communicator communicator;
//ListView listView;
EditText editText;
Button saveButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//listView = (ListView) findViewById(R.id.listView);
//NetworkConfig config = new NetworkConfig("http://arrowgifts.com/mobile/mobile_home");
//drawView = new DrawView(this);
//drawView = (DrawView) findViewById(R.id.drawView);
communicator = (Communicator)findViewById(R.id.drawView);
//setContentView(drawView);
// save();
saveButton = (Button) findViewById(R.id.button);
saveButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
communicator.saveImage();
}
});
editText = (EditText) findViewById(R.id.editText);
editText.addTextChangedListener( new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
communicator.writeText(editText.getText().toString());
}
@Override
public void afterTextChanged(Editable editable) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* Communicator
* **/
public interface Communicator{
public void writeText(String string);
public void saveImage();
}
}
//...................................\\
DrawView.java
package packagename;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;
/**
* Created by sravan on 4/22/2014.
*/
public class DrawView extends View implements MainActivity.Communicator {
Bitmap bitmap;
Bitmap newBitmap;
// public DrawView(Context context) {
// this(context,null);
// bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.templer);
// newBitmap = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth()-100,bitmap.getHeight()-100);
//
//
// }
public DrawView(Context context, AttributeSet attrs) {
super(context, attrs);
bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.templer);
newBitmap = Bitmap.createBitmap(bitmap,0,0,bitmap.getWidth()-100,bitmap.getHeight()-100);
}
// public DrawView(Context context, AttributeSet attrs, int defStyleAttr) {
// super(context, attrs, defStyleAttr);
// }
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setColor(Color.RED);
paint.setTextSize(50);
paint.setStyle(Paint.Style.FILL);
canvas.drawBitmap(newBitmap, 0, 0, null);
canvas.drawText(textToBeWritten, 10, 50, paint);
setDrawingCacheEnabled(true);
}
private String textToBeWritten ="Enter Text" ;
@Override
public void writeText(String string) {
textToBeWritten = string;
invalidate();
}
@Override
public void saveImage() {
SaveFile saveFile = new SaveFile();
saveFile.save(getDrawingCache());
}
}
SaveFile.java
package packagename;
import android.graphics.Bitmap;
import android.os.Environment;
import android.util.Log;
import java.io.File;
import java.io.FileOutputStream;
/**
* Created by sravan on 4/23/2014.
*/
public class SaveFile {
//Bitmap bitmap;// = getDrawingCache();
public void save(Bitmap bitmap) {
String root = Environment.getExternalStorageDirectory().toString();
File myDir = new File(root + "/saved_images");
myDir.mkdirs();
String fname = "Image.jpg";
File file = new File (myDir, fname);
if (file.exists ()) file.delete ();
try {
FileOutputStream out = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
out.flush();
out.close();
Log.i("Success", root + "/saved_images");
} catch (Exception e) {
e.printStackTrace();
}
}
}
//..............................//
Tested in Android 4.2.2. API Level 19, and working fine.
