mirror of
https://github.com/SimpleMobileTools/Simple-Draw.git
synced 2025-06-05 21:59:17 +02:00
some refactoring, no functionality change
This commit is contained in:
tibbi
@ -0,0 +1,248 @@
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package com.simplemobiletools.draw.activities;
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import android.Manifest;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.graphics.Bitmap;
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import android.graphics.Color;
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import android.media.MediaScannerConnection;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Environment;
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import android.support.v4.app.ActivityCompat;
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import android.support.v4.content.ContextCompat;
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import android.support.v4.content.FileProvider;
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import android.support.v7.app.AlertDialog;
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import android.support.v7.app.AppCompatActivity;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.EditText;
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import android.widget.Toast;
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import com.simplemobiletools.draw.MyCanvas;
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import com.simplemobiletools.draw.R;
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import com.simplemobiletools.draw.Utils;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import butterknife.BindView;
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import butterknife.ButterKnife;
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import butterknife.OnClick;
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import yuku.ambilwarna.AmbilWarnaDialog;
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public class MainActivity extends AppCompatActivity implements MyCanvas.PathsChangedListener {
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private static final String TAG = MainActivity.class.getSimpleName();
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private static final String FOLDER_NAME = "images";
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private static final String FILE_NAME = "simple-draw.png";
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private static final String SAVE_FOLDER_NAME = "Simple Draw";
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private static final int STORAGE_PERMISSION = 1;
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@BindView(R.id.my_canvas) MyCanvas mMyCanvas;
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@BindView(R.id.undo) View mUndoBtn;
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@BindView(R.id.color_picker) View mColorPicker;
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private String curFileName;
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private int color;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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ButterKnife.bind(this);
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mMyCanvas.setListener(this);
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setColor(Color.BLACK);
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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getMenuInflater().inflate(R.menu.menu, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_save:
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saveImage();
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return true;
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case R.id.menu_share:
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shareImage();
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return true;
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case R.id.about:
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final Intent intent = new Intent(getApplicationContext(), AboutActivity.class);
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startActivity(intent);
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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if (requestCode == STORAGE_PERMISSION) {
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if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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saveImage();
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} else {
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Toast.makeText(this, getResources().getString(R.string.no_permissions), Toast.LENGTH_SHORT).show();
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}
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}
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}
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private void saveImage() {
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
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ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, STORAGE_PERMISSION);
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return;
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}
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final View saveFileView = getLayoutInflater().inflate(R.layout.save_file, null);
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final AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setTitle(getResources().getString(R.string.save_file));
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final EditText fileNameET = (EditText) saveFileView.findViewById(R.id.file_name);
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fileNameET.setText(curFileName);
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builder.setView(saveFileView);
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builder.setPositiveButton("OK", null);
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builder.setNegativeButton("Cancel", null);
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final AlertDialog alertDialog = builder.create();
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alertDialog.show();
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alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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final String fileName = fileNameET.getText().toString().trim();
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if (!fileName.isEmpty()) {
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if (saveFile(fileName + ".png")) {
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curFileName = fileName;
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Utils.showToast(getApplicationContext(), R.string.saving_ok);
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alertDialog.dismiss();
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} else {
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Utils.showToast(getApplicationContext(), R.string.saving_error);
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}
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} else {
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Utils.showToast(getApplicationContext(), R.string.enter_file_name);
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}
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}
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});
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}
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private boolean saveFile(final String fileName) {
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final String path = Environment.getExternalStorageDirectory().toString();
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final File directory = new File(path, SAVE_FOLDER_NAME);
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if (!directory.exists()) {
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if (!directory.mkdir()) {
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return false;
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}
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}
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final Bitmap bitmap = mMyCanvas.getBitmap();
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FileOutputStream out = null;
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try {
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final File file = new File(directory, fileName);
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out = new FileOutputStream(file);
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bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
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MediaScannerConnection.scanFile(getApplicationContext(), new String[]{file.getAbsolutePath()}, null, null);
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} catch (Exception e) {
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Log.e(TAG, "MainActivity SaveFile " + e.getMessage());
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return false;
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} finally {
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try {
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if (out != null) {
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out.close();
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}
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} catch (IOException e) {
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Log.e(TAG, "MainActivity SaveFile 2 " + e.getMessage());
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}
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}
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return true;
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}
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private void shareImage() {
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final String shareTitle = getResources().getString(R.string.share_via);
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final Bitmap bitmap = mMyCanvas.getBitmap();
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final Intent sendIntent = new Intent();
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final Uri uri = getImageUri(bitmap);
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if (uri == null)
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return;
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sendIntent.setAction(Intent.ACTION_SEND);
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sendIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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sendIntent.setDataAndType(uri, getContentResolver().getType(uri));
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sendIntent.putExtra(Intent.EXTRA_STREAM, uri);
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sendIntent.setType("image/*");
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startActivity(Intent.createChooser(sendIntent, shareTitle));
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}
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private Uri getImageUri(Bitmap bitmap) {
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final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
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bitmap.compress(Bitmap.CompressFormat.PNG, 0, bytes);
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final File folder = new File(getCacheDir(), FOLDER_NAME);
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if (!folder.exists()) {
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if (!folder.mkdir())
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return null;
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}
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final File file = new File(folder, FILE_NAME);
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FileOutputStream fileOutputStream = null;
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try {
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fileOutputStream = new FileOutputStream(file);
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fileOutputStream.write(bytes.toByteArray());
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} catch (Exception e) {
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Log.e(TAG, "getImageUri 1 " + e.getMessage());
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} finally {
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try {
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if (fileOutputStream != null)
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fileOutputStream.close();
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} catch (IOException e) {
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Log.e(TAG, "getImageUri 2 " + e.getMessage());
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}
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}
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return FileProvider.getUriForFile(this, "com.simplemobiletools.draw.fileprovider", file);
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}
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@OnClick(R.id.undo)
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public void undo() {
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mMyCanvas.undo();
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}
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@OnClick(R.id.color_picker)
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public void pickColor() {
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AmbilWarnaDialog dialog = new AmbilWarnaDialog(this, color, new AmbilWarnaDialog.OnAmbilWarnaListener() {
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@Override
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public void onCancel(AmbilWarnaDialog dialog) {
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}
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@Override
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public void onOk(AmbilWarnaDialog dialog, int pickedColor) {
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setColor(pickedColor);
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}
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});
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dialog.show();
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}
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private void setColor(int pickedColor) {
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color = pickedColor;
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mColorPicker.setBackgroundColor(color);
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mMyCanvas.setColor(color);
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}
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@Override
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public void pathsChanged(int cnt) {
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mUndoBtn.setVisibility(cnt > 0 ? View.VISIBLE : View.GONE);
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}
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}
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