/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.Environment;
import android.os.IMountService;
import android.os.ServiceManager;
import android.os.StatFs;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.TextView;
import java.io.File;
public class SdCardSettings extends Activity
{
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.sdcard_settings_screen);
mMountService = IMountService.Stub.asInterface(ServiceManager.getService("mount"));
mRemovedLayout = findViewById(R.id.removed);
mMountedLayout = findViewById(R.id.mounted);
mUnmountedLayout = findViewById(R.id.unmounted);
mScanningLayout = findViewById(R.id.scanning);
mSharedLayout = findViewById(R.id.shared);
mBadRemovalLayout = findViewById(R.id.bad_removal);
mReadOnlyStatus = findViewById(R.id.read_only);
mMassStorage = (CheckBox)findViewById(R.id.mass_storage);
mMassStorage.setOnClickListener(mMassStorageListener);
Button unmountButton = (Button)findViewById(R.id.sdcard_unmount);
unmountButton.setOnClickListener(mUnmountButtonHandler);
Button formatButton = (Button)findViewById(R.id.sdcard_format);
formatButton.setOnClickListener(mFormatButtonHandler);
mTotalSize = (TextView)findViewById(R.id.total);
mUsedSize = (TextView)findViewById(R.id.used);
mAvailableSize = (TextView)findViewById(R.id.available);
// install an intent filter to receive SD card related events.
IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_REMOVED);
intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_MOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SHARED);
intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING);
intentFilter.addAction(Intent.ACTION_MEDIA_NOFS);
intentFilter.addAction(Intent.ACTION_MEDIA_BAD_REMOVAL);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
intentFilter.addDataScheme("file");
registerReceiver(mReceiver, intentFilter);
}
@Override
protected void onDestroy() {
super.onDestroy();
}
@Override
public void onResume() {
super.onResume();
update();
}
private void setLayout(View layout) {
mRemovedLayout.setVisibility(layout == mRemovedLayout ? View.VISIBLE : View.GONE);
mMountedLayout.setVisibility(layout == mMountedLayout ? View.VISIBLE : View.GONE);
mUnmountedLayout.setVisibility(layout == mUnmountedLayout ? View.VISIBLE : View.GONE);
mScanningLayout.setVisibility(layout == mScanningLayout ? View.VISIBLE : View.GONE);
mSharedLayout.setVisibility(layout == mSharedLayout ? View.VISIBLE : View.GONE);
mBadRemovalLayout.setVisibility(layout == mBadRemovalLayout ? View.VISIBLE : View.GONE);
}
private void update() {
try {
mMassStorage.setChecked(mMountService.getMassStorageEnabled());
} catch (RemoteException ex) {
}
String scanVolume = null; // this no longer exists: SystemProperties.get(MediaScanner.CURRENT_VOLUME_PROPERTY, "");
boolean scanning = "external".equals(scanVolume);
if (scanning) {
setLayout(mScanningLayout);
} else {
String status = Environment.getExternalStorageState();
boolean readOnly = false;
if (status.equals(Environment.MEDIA_MOUNTED_READ_ONLY)) {
status = Environment.MEDIA_MOUNTED;
readOnly = true;
}
if (status.equals(Environment.MEDIA_MOUNTED)) {
try {
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
long availableBlocks = stat.getAvailableBlocks();
mTotalSize.setText(formatSize(totalBlocks * blockSize));
mUsedSize.setText(formatSize((totalBlocks - availableBlocks) * blockSize));
mAvailableSize.setText(formatSize(availableBlocks * blockSize));
} catch (IllegalArgumentException e) {
// this can occur if the SD card is removed, but we haven't received the
// ACTION_MEDIA_REMOVED Intent yet.
status = Environment.MEDIA_REMOVED;
}
mReadOnlyStatus.setVisibility(readOnly ? View.VISIBLE : View.GONE);
setLayout(mMountedLayout);
} else if (status.equals(Environment.MEDIA_UNMOUNTED)) {
setLayout(mUnmountedLayout);
} else if (status.equals(Environment.MEDIA_REMOVED)) {
setLayout(mRemovedLayout);
} else if (status.equals(Environment.MEDIA_SHARED)) {
setLayout(mSharedLayout);
} else if (status.equals(Environment.MEDIA_BAD_REMOVAL)) {
setLayout(mBadRemovalLayout);
}
}
}
private String formatSize(long size) {
String suffix = null;
// add K or M suffix if size is greater than 1K or 1M
if (size >= 1024) {
suffix = "K";
size /= 1024;
if (size >= 1024) {
suffix = "M";
size /= 1024;
}
}
StringBuilder resultBuffer = new StringBuilder(Long.toString(size));
int commaOffset = resultBuffer.length() - 3;
while (commaOffset > 0) {
resultBuffer.insert(commaOffset, ',');
commaOffset -= 3;
}
if (suffix != null)
resultBuffer.append(suffix);
return resultBuffer.toString();
}
OnClickListener mMassStorageListener = new OnClickListener() {
public void onClick(View v) {
try {
mMountService.setMassStorageEnabled(mMassStorage.isChecked());
} catch (RemoteException ex) {
}
}
};
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
update();
}
};
OnClickListener mUnmountButtonHandler = new OnClickListener() {
public void onClick(View v) {
try {
mMountService.unmountMedia(Environment.getExternalStorageDirectory().toString());
} catch (RemoteException ex) {
}
}
};
OnClickListener mFormatButtonHandler = new OnClickListener() {
public void onClick(View v) {
try {
mMountService.formatMedia(Environment.getExternalStorageDirectory().toString());
} catch (RemoteException ex) {
}
}
};
private int mStatus;
private IMountService mMountService;
private CheckBox mMassStorage;
private TextView mTotalSize;
private TextView mUsedSize;
private TextView mAvailableSize;
private View mRemovedLayout;
private View mMountedLayout;
private View mUnmountedLayout;
private View mScanningLayout;
private View mSharedLayout;
private View mBadRemovalLayout;
private View mReadOnlyStatus;
}
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