@Override
protected void onDestroy() {
AppLog.enter(TAG, AppLog.getMethodName());
deInitialize();
super.onDestroy();
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent resultData) {
AppLog.enter(TAG, AppLog.getMethodName());
if (requestCode == FILE_PICKER_REQUEST_CODE) {
if (resultData != null) {
try {
Uri returnUri = resultData.getData();
final String filePath = FileUtils.getPath(FilePickerActivity.this, returnUri);
String content = readFileContent(returnUri);
if (isJSONValid(content)) {
FordDemoUtil.getInstance().setDriveTraceFilePath(filePath);
Toast.makeText(FilePickerActivity.this, "File Selected: " + filePath, Toast.LENGTH_LONG)
.show();
transitToFordDemoActivity();
} else {
Toast.makeText(FilePickerActivity.this, "Seleted file is not valid.", Toast.LENGTH_LONG)
.show();
}
} catch (Exception e) {
AppLog.error(TAG, "Erroe : " + e.toString());
}
}
}
AppLog.exit(TAG, AppLog.getMethodName());
}
private void deInitialize() {
AppLog.enter(TAG, AppLog.getMethodName());
mLinearBrowsefile = null;
mLinearDefaultfile = null;
AppLog.exit(TAG, AppLog.getMethodName());
}
private void transitToFordDemoActivity() {
AppLog.enter(TAG, AppLog.getMethodName());
Intent intent = new Intent(FilePickerActivity.this, FordDemoActivity.class);
startActivity(intent);
finish();
AppLog.exit(TAG, AppLog.getMethodName());
}
private boolean isJSONValid(String content) {
AppLog.enter(TAG, AppLog.getMethodName());
try {
new JSONObject(content);
} catch (JSONException ex) {
AppLog.error(TAG, "Not a valid JSON, Error : " + ex.toString());
return false;
}
AppLog.exit(TAG, AppLog.getMethodName());
return true;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
AppLog.enter(TAG, AppLog.getMethodName());
super.onCreate(savedInstanceState);
setContentView(R.layout.filepicker_activity);
mLinearBrowsefile = (LinearLayout) findViewById(R.id.ll_browse_file);
mLinearDefaultfile = (LinearLayout) findViewById(R.id.ll_default_file);
mLinearBrowsefile.setOnClickListener(this);
mLinearDefaultfile.setOnClickListener(this);
AppLog.exit(TAG, AppLog.getMethodName());
}
private String readFileContent(Uri uri) throws IOException {
AppLog.enter(TAG, AppLog.getMethodName());
InputStream inputStream = getContentResolver().openInputStream(uri);
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder stringBuilder = new StringBuilder();
String currentline;
while ((currentline = reader.readLine()) != null) {
stringBuilder.append(currentline + "\n");
}
inputStream.close();
AppLog.exit(TAG, AppLog.getMethodName());
return stringBuilder.toString();
}
@Override
public void onClick(View view) {
AppLog.enter(TAG, AppLog.getMethodName());
switch (view.getId()) {
case R.id.ll_browse_file:
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("text/plain");
startActivityForResult(intent, FILE_PICKER_REQUEST_CODE);
break;
case R.id.ll_default_file:
FordDemoUtil.getInstance().setDriveTraceFilePath(null);
transitToFordDemoActivity();
break;
default:
break;
}
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
protected void onResume() {
AppLog.enter(TAG, AppLog.getMethodName());
super.onResume();
AppLog.exit(TAG, AppLog.getMethodName());
}
@TargetApi(Build.VERSION_CODES.KITKAT)
public class FilePickerActivity extends Activity implements OnClickListener {
private final String TAG = AppLog.getClassName();
private final int FILE_PICKER_REQUEST_CODE = 11;
private LinearLayout mLinearBrowsefile = null;
private LinearLayout mLinearDefaultfile = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
AppLog.enter(TAG, AppLog.getMethodName());
super.onCreate(savedInstanceState);
setContentView(R.layout.filepicker_activity);
mLinearBrowsefile = (LinearLayout) findViewById(R.id.ll_browse_file);
mLinearDefaultfile = (LinearLayout) findViewById(R.id.ll_default_file);
mLinearBrowsefile.setOnClickListener(this);
mLinearDefaultfile.setOnClickListener(this);
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
public void onClick(View view) {
AppLog.enter(TAG, AppLog.getMethodName());
switch (view.getId()) {
case R.id.ll_browse_file:
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("text/plain");
startActivityForResult(intent, FILE_PICKER_REQUEST_CODE);
break;
case R.id.ll_default_file:
FordDemoUtil.getInstance().setDriveTraceFilePath(null);
transitToFordDemoActivity();
break;
default:
break;
}
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
protected void onResume() {
AppLog.enter(TAG, AppLog.getMethodName());
super.onResume();
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent resultData) {
AppLog.enter(TAG, AppLog.getMethodName());
if (requestCode == FILE_PICKER_REQUEST_CODE) {
if (resultData != null) {
try {
Uri returnUri = resultData.getData();
final String filePath = FileUtils.getPath(FilePickerActivity.this, returnUri);
String content = readFileContent(returnUri);
if (isJSONValid(content)) {
FordDemoUtil.getInstance().setDriveTraceFilePath(filePath);
Toast.makeText(FilePickerActivity.this, "File Selected: " + filePath, Toast.LENGTH_LONG)
.show();
transitToFordDemoActivity();
} else {
Toast.makeText(FilePickerActivity.this, "Seleted file is not valid.", Toast.LENGTH_LONG)
.show();
}
} catch (Exception e) {
AppLog.error(TAG, "Erroe : " + e.toString());
}
}
}
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
protected void onPause() {
AppLog.enter(TAG, AppLog.getMethodName());
super.onPause();
AppLog.exit(TAG, AppLog.getMethodName());
}
@Override
protected void onDestroy() {
AppLog.enter(TAG, AppLog.getMethodName());
deInitialize();
super.onDestroy();
AppLog.exit(TAG, AppLog.getMethodName());
}
private void deInitialize() {
AppLog.enter(TAG, AppLog.getMethodName());
mLinearBrowsefile = null;
mLinearDefaultfile = null;
AppLog.exit(TAG, AppLog.getMethodName());
}
private void transitToFordDemoActivity() {
AppLog.enter(TAG, AppLog.getMethodName());
Intent intent = new Intent(FilePickerActivity.this, FordDemoActivity.class);
startActivity(intent);
finish();
AppLog.exit(TAG, AppLog.getMethodName());
}
private String readFileContent(Uri uri) throws IOException {
AppLog.enter(TAG, AppLog.getMethodName());
InputStream inputStream = getContentResolver().openInputStream(uri);
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder stringBuilder = new StringBuilder();
String currentline;
while ((currentline = reader.readLine()) != null) {
stringBuilder.append(currentline + "\n");
}
inputStream.close();
AppLog.exit(TAG, AppLog.getMethodName());
return stringBuilder.toString();
}
private boolean isJSONValid(String content) {
AppLog.enter(TAG, AppLog.getMethodName());
try {
new JSONObject(content);
} catch (JSONException ex) {
AppLog.error(TAG, "Not a valid JSON, Error : " + ex.toString());
return false;
}
AppLog.exit(TAG, AppLog.getMethodName());
return true;
}
}