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Simple-Draw
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Code Issues Packages Projects Releases Wiki Activity

allow saving the drawing on external storage

This commit is contained in:
tibbi 2016-03-06 16:00:20 +01:00
parent 6d5d74a158
commit 346b8f8287
6 changed files with 131 additions and 0 deletions
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2
app/src/main/AndroidManifest.xml
View File

@ -3,6 +3,8 @@
package="com.simplemobiletools.draw"
xmlns:android="http://schemas.android.com/apk/res/android">
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"

76
app/src/main/java/com/simplemobiletools/draw/MainActivity.java
View File

@ -5,12 +5,16 @@ import android.graphics.Bitmap;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import java.io.ByteArrayOutputStream;
import java.io.File;
@ -26,9 +30,11 @@ public class MainActivity extends AppCompatActivity {
private static final String TAG = MainActivity.class.getSimpleName();
private static final String FOLDER_NAME = "images";
private static final String FILE_NAME = "simple-draw.png";
private static final String SAVE_FOLDER_NAME = "Simple Draw";
@Bind(R.id.my_canvas) MyCanvas myCanvas;
@Bind(R.id.color_picker) View colorPicker;
private int color;
private String curFileName;
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -48,6 +54,9 @@ public class MainActivity extends AppCompatActivity {
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_save:
saveImage();
return true;
case R.id.menu_share:
shareImage();
return true;
@ -56,6 +65,73 @@ public class MainActivity extends AppCompatActivity {
}
}
private void saveImage() {
final View saveFileView = getLayoutInflater().inflate(R.layout.save_file, null);
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getResources().getString(R.string.save_file));
final EditText fileNameET = (EditText) saveFileView.findViewById(R.id.file_name);
fileNameET.setText(curFileName);
builder.setView(saveFileView);
builder.setPositiveButton("OK", null);
builder.setNegativeButton("Cancel", null);
final AlertDialog alertDialog = builder.create();
alertDialog.show();
alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final String fileName = fileNameET.getText().toString().trim();
if (!fileName.isEmpty()) {
if (saveFile(fileName + ".png")) {
curFileName = fileName;
Utils.showToast(getApplicationContext(), R.string.saving_ok);
alertDialog.dismiss();
} else {
Utils.showToast(getApplicationContext(), R.string.saving_error);
}
} else {
Utils.showToast(getApplicationContext(), R.string.enter_file_name);
}
}
});
}
private boolean saveFile(final String fileName) {
final String path = Environment.getExternalStorageDirectory().toString();
final File directory = new File(path, SAVE_FOLDER_NAME);
if (!directory.exists()) {
if (!directory.mkdir()) {
return false;
}
}
final Bitmap bitmap = myCanvas.getBitmap();
FileOutputStream out = null;
try {
final File file = new File(directory, fileName);
out = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
MediaStore.Images.Media.insertImage(getContentResolver(), file.getAbsolutePath(), file.getName(), file.getName());
} catch (Exception e) {
Log.e(TAG, "MainActivity SaveFile " + e.getMessage());
return false;
} finally {
try {
if (out != null) {
out.close();
}
} catch (IOException e) {
Log.e(TAG, "MainActivity SaveFile 2 " + e.getMessage());
}
}
return true;
}
private void shareImage() {
final String shareTitle = getResources().getString(R.string.share_via);
final Bitmap bitmap = myCanvas.getBitmap();

10
app/src/main/java/com/simplemobiletools/draw/Utils.java Normal file
View File

@ -0,0 +1,10 @@
package com.simplemobiletools.draw;
import android.content.Context;
import android.widget.Toast;
public class Utils {
public static void showToast(Context cxt, int msgId) {
Toast.makeText(cxt, cxt.getResources().getString(msgId), Toast.LENGTH_SHORT).show();
}
}

33
app/src/main/res/layout/save_file.xml Normal file
View File

@ -0,0 +1,33 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="@dimen/activity_margin">
<TextView
android:id="@+id/file_name_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/file_name"/>
<EditText
android:id="@+id/file_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/file_name_label"
android:layout_marginBottom="@dimen/activity_margin"
android:layout_toLeftOf="@+id/file_extension"/>
<TextView
android:id="@+id/file_extension"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignBottom="@+id/file_name"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/file_name"
android:layout_below="@+id/file_name_label"
android:gravity="center_vertical"
android:text=".png"/>
</RelativeLayout>

5
app/src/main/res/menu/menu.xml
View File

@ -1,6 +1,11 @@
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/menu_save"
android:icon="@android:drawable/ic_menu_save"
android:title="Save"
app:showAsAction="always"/>
<item
android:id="@+id/menu_share"
android:icon="@android:drawable/ic_menu_share"

5
app/src/main/res/values/strings.xml
View File

@ -1,4 +1,9 @@
<resources>
<string name="app_name">Simple Draw</string>
<string name="share_via">Share via</string>
<string name="saving_error">Could not save the file</string>
<string name="saving_ok">Image has been saved successfully</string>
<string name="file_name">File name</string>
<string name="save_file">Save file</string>
<string name="enter_file_name">Please enter a file name</string>
</resources>