android diskinfo权限,DiskInfo.java

/*

* Copyright (C) 2015 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 android.os.storage;

import android.annotation.NonNull;

import android.content.res.Resources;

import android.os.Parcel;

import android.os.Parcelable;

import android.text.TextUtils;

import android.util.DebugUtils;

import com.android.internal.util.IndentingPrintWriter;

import com.android.internal.util.Preconditions;

import java.io.CharArrayWriter;

import java.util.Objects;

/**

* Information about a physical disk which may contain one or more

* {@link VolumeInfo}.

*

* @hide

*/

public class DiskInfo implements Parcelable {

public static final String ACTION_DISK_SCANNED =

"android.os.storage.action.DISK_SCANNED";

public static final String EXTRA_DISK_ID =

"android.os.storage.extra.DISK_ID";

public static final String EXTRA_VOLUME_COUNT =

"android.os.storage.extra.VOLUME_COUNT";

public static final int FLAG_ADOPTABLE = 1 << 0;

public static final int FLAG_DEFAULT_PRIMARY = 1 << 1;

public static final int FLAG_SD = 1 << 2;

public static final int FLAG_USB = 1 << 3;

public final String id;

public final int flags;

public long size;

public String label;

/** Hacky; don't rely on this count */

public int volumeCount;

public String sysPath;

public DiskInfo(String id, int flags) {

this.id = Preconditions.checkNotNull(id);

this.flags = flags;

}

public DiskInfo(Parcel parcel) {

id = parcel.readString();

flags = parcel.readInt();

size = parcel.readLong();

label = parcel.readString();

volumeCount = parcel.readInt();

sysPath = parcel.readString();

}

public @NonNull String getId() {

return id;

}

private boolean isInteresting(String label) {

if (TextUtils.isEmpty(label)) {

return false;

}

if (label.equalsIgnoreCase("ata")) {

return false;

}

if (label.toLowerCase().contains("generic")) {

return false;

}

if (label.toLowerCase().startsWith("usb")) {

return false;

}

if (label.toLowerCase().startsWith("multiple")) {

return false;

}

return true;

}

public String getDescription() {

final Resources res = Resources.getSystem();

if ((flags & FLAG_SD) != 0) {

if (isInteresting(label)) {

return res.getString(com.android.internal.R.string.storage_sd_card_label, label);

} else {

return res.getString(com.android.internal.R.string.storage_sd_card);

}

} else if ((flags & FLAG_USB) != 0) {

if (isInteresting(label)) {

return res.getString(com.android.internal.R.string.storage_usb_drive_label, label);

} else {

return res.getString(com.android.internal.R.string.storage_usb_drive);

}

} else {

return null;

}

}

public boolean isAdoptable() {

return (flags & FLAG_ADOPTABLE) != 0;

}

public boolean isDefaultPrimary() {

return (flags & FLAG_DEFAULT_PRIMARY) != 0;

}

public boolean isSd() {

return (flags & FLAG_SD) != 0;

}

public boolean isUsb() {

return (flags & FLAG_USB) != 0;

}

@Override

public String toString() {

final CharArrayWriter writer = new CharArrayWriter();

dump(new IndentingPrintWriter(writer, " ", 80));

return writer.toString();

}

public void dump(IndentingPrintWriter pw) {

pw.println("DiskInfo{" + id + "}:");

pw.increaseIndent();

pw.printPair("flags", DebugUtils.flagsToString(getClass(), "FLAG_", flags));

pw.printPair("size", size);

pw.printPair("label", label);

pw.println();

pw.printPair("sysPath", sysPath);

pw.decreaseIndent();

pw.println();

}

@Override

public DiskInfo clone() {

final Parcel temp = Parcel.obtain();

try {

writeToParcel(temp, 0);

temp.setDataPosition(0);

return CREATOR.createFromParcel(temp);

} finally {

temp.recycle();

}

}

@Override

public boolean equals(Object o) {

if (o instanceof DiskInfo) {

return Objects.equals(id, ((DiskInfo) o).id);

} else {

return false;

}

}

@Override

public int hashCode() {

return id.hashCode();

}

public static final CreatorCREATOR = new Creator() {

@Override

public DiskInfo createFromParcel(Parcel in) {

return new DiskInfo(in);

}

@Override

public DiskInfo[] newArray(int size) {

return new DiskInfo[size];

}

};

@Override

public int describeContents() {

return 0;

}

@Override

public void writeToParcel(Parcel parcel, int flags) {

parcel.writeString(id);

parcel.writeInt(this.flags);

parcel.writeLong(size);

parcel.writeString(label);

parcel.writeInt(volumeCount);

parcel.writeString(sysPath);

}

}

Java程序

|

203行

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5.67 KB

/*

* Copyright (C) 2015 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 android.os.storage;

import android.annotation.NonNull;

import android.content.res.Resources;

import android.os.Parcel;

import android.os.Parcelable;

import android.text.TextUtils;

import android.util.DebugUtils;

import com.android.internal.util.IndentingPrintWriter;

import com.android.internal.util.Preconditions;

import java.io.CharArrayWriter;

import java.util.Objects;

/**

* Information about a physical disk which may contain one or more

* {@link VolumeInfo}.

*

* @hide

*/

public class DiskInfo implements Parcelable {

public static final String ACTION_DISK_SCANNED =

"android.os.storage.action.DISK_SCANNED";

public static final String EXTRA_DISK_ID =

"android.os.storage.extra.DISK_ID";

public static final String EXTRA_VOLUME_COUNT =

"android.os.storage.extra.VOLUME_COUNT";

public static final int FLAG_ADOPTABLE = 1 << 0;

public static final int FLAG_DEFAULT_PRIMARY = 1 << 1;

public static final int FLAG_SD = 1 << 2;

public static final int FLAG_USB = 1 << 3;

public final String id;

public final int flags;

public long size;

public String label;

/** Hacky; don't rely on this count */

public int volumeCount;

public String sysPath;

public DiskInfo(String id, int flags) {

this.id = Preconditions.checkNotNull(id);

this.flags = flags;

}

public DiskInfo(Parcel parcel) {

id = parcel.readString();

flags = parcel.readInt();

size = parcel.readLong();

label = parcel.readString();

volumeCount = parcel.readInt();

sysPath = parcel.readString();

}

public @NonNull String getId() {

return id;

}

private boolean isInteresting(String label) {

if (TextUtils.isEmpty(label)) {

return false;

}

if (label.equalsIgnoreCase("ata")) {

return false;

}

if (label.toLowerCase().contains("generic")) {

return false;

}

if (label.toLowerCase().startsWith("usb")) {

return false;

}

if (label.toLowerCase().startsWith("multiple")) {

return false;

}

return true;

}

public String getDescription() {

final Resources res = Resources.getSystem();

if ((flags & FLAG_SD) != 0) {

if (isInteresting(label)) {

return res.getString(com.android.internal.R.string.storage_sd_card_label, label);

} else {

return res.getString(com.android.internal.R.string.storage_sd_card);

}

} else if ((flags & FLAG_USB) != 0) {

if (isInteresting(label)) {

return res.getString(com.android.internal.R.string.storage_usb_drive_label, label);

} else {

return res.getString(com.android.internal.R.string.storage_usb_drive);

}

} else {

return null;

}

}

public boolean isAdoptable() {

return (flags & FLAG_ADOPTABLE) != 0;

}

public boolean isDefaultPrimary() {

return (flags & FLAG_DEFAULT_PRIMARY) != 0;

}

public boolean isSd() {

return (flags & FLAG_SD) != 0;

}

public boolean isUsb() {

return (flags & FLAG_USB) != 0;

}

@Override

public String toString() {

final CharArrayWriter writer = new CharArrayWriter();

dump(new IndentingPrintWriter(writer, " ", 80));

return writer.toString();

}

public void dump(IndentingPrintWriter pw) {

pw.println("DiskInfo{" + id + "}:");

pw.increaseIndent();

pw.printPair("flags", DebugUtils.flagsToString(getClass(), "FLAG_", flags));

pw.printPair("size", size);

pw.printPair("label", label);

pw.println();

pw.printPair("sysPath", sysPath);

pw.decreaseIndent();

pw.println();

}

@Override

public DiskInfo clone() {

final Parcel temp = Parcel.obtain();

try {

writeToParcel(temp, 0);

temp.setDataPosition(0);

return CREATOR.createFromParcel(temp);

} finally {

temp.recycle();

}

}

@Override

public boolean equals(Object o) {

if (o instanceof DiskInfo) {

return Objects.equals(id, ((DiskInfo) o).id);

} else {

return false;

}

}

@Override

public int hashCode() {

return id.hashCode();

}

public static final Creator CREATOR = new Creator() {

@Override

public DiskInfo createFromParcel(Parcel in) {

return new DiskInfo(in);

}

@Override

public DiskInfo[] newArray(int size) {

return new DiskInfo[size];

}

};

@Override

public int describeContents() {

return 0;

}

@Override

public void writeToParcel(Parcel parcel, int flags) {

parcel.writeString(id);

parcel.writeInt(this.flags);

parcel.writeLong(size);

parcel.writeString(label);

parcel.writeInt(volumeCount);

parcel.writeString(sysPath);

}

}