FeatureInfo[] infos = getPackageManager().getSystemAvailableFeatures();
for (FeatureInfo info : infos) {
android.util.Log.e("yuki" , "yuki features = " + info);
}
@Override
protected void onDestroy() {
super.onDestroy();
int change = getChangingConfigurations();
android.util.Log.e("yuki" , "yuki c=" + String.format("0x%08x", change));
// CONFIG_SCREEN_SIZE 0x000004
// CONFIG_ORIENTATION 0x0000008
}
# procrank PID Vss Rss Pss Uss cmdline 128 49064K 49064K 18013K 13896K com.android.systemui 74 47636K 47636K 17095K 13852K system_server 170 47644K 47644K 14781K 9856K com.android.launcher 224 45556K 45556K 14635K 10960K android.process.acore 157 39952K 39952K 10902K 8664K com.android.phone 35 39328K 39328K 8117K 4800K zygote 375 37096K 37096K 8011K 5620K com.android.email
# ps
USER PID PPID VSIZE RSS WCHAN PC NAME system 198 35 129244 33328 ffffffff 40011384 S com.android.settings app_9 224 35 145148 45552 ffffffff 40011384 S android.process.acore app_0 244 35 128604 33296 ffffffff 40011384 S com.android.calendar app_15 277 35 125664 32712 ffffffff 40011384 S com.android.deskclock
# su app_9
$ id
uid=10009(app_9) gid=10009(app_9)
<application
android:hardwareAccelerated="true" >
StatFs sf = new StatFs("/mnt/sdcard/");
int kb = sf.getAvailableBlocks() * sf.getBlockSize() / 1024;
android.util.Log.e("yuki", "yuki KB=" + kb);
<style name="TestTheme" parent="@android:style/Theme.Holo">
<?xml version="1.0" encoding="utf-8"?> <resources> <style name="TestTheme" parent="@android:style/Theme.DeviceDefault"> <item name="android:windowDisablePreview">true</item> </style> </resources>
private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
Uri data = intent.getData();
String path = null;
if (data != null) {
path = data.getPath();
}
android.util.Log.e("test", "path=" + path);
if ("/mnt/sdcard/xxx".equals(path)
&& Intent.ACTION_MEDIA_EJECT.equals(intent.getAction())) {
// ...
}
}
};
@Override
protected void onResume() {
super.onResume();
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_MEDIA_EJECT);
filter.addDataScheme("file");
registerReceiver(mReceiver, filter);
}
Galaxy Nexusなど、端末の内部ストレージとしてSDがマウントされているものが発売される傾向にあります。$ curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo
$ chmod a+x ~/bin/repo
$ mkdir ~/android_src/ $ cd ~/android_src/ $ ~/bin/repo init -u https://android.googlesource.com/platform/manifest
$ ~/bin/repo sync -j1
private void methodA() {
dbg("test");
}
private static void dbg(String msg) {
StackTraceElement[] stack = new Throwable().getStackTrace();
String className = stack[1].getClassName();
String method = stack[1].getMethodName();
int line = stack[1].getLineNumber();
StringBuilder buf = new StringBuilder(60);
buf.append(msg)
.append("[")
// sample.package.ClassName.methodName:1234
.append(className).append(".").append(method).append(":").append(line)
.append("]");
android.util.Log.d("tag", buf.toString());
}
adb shell tcpdump -s 0 -v -w /data/tcp.pcap
AlertDialog dialog = builder .setTitle(R.string.hoge) .setPositiveButton(android.R.string.ok, null) .create(); dialog.setView(view);
# cat /proc/meminfo MemTotal: 516316 kB MemFree: 314328 kB Buffers: 16 kB Cached: 93892 kB SwapCached: 0 kB Active: 114636 kB Inactive: 72664 kB Active(anon): 103988 kB Inactive(anon): 0 kB Active(file): 10648 kB Inactive(file): 72664 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 93420 kB Mapped: 54552 kB Slab: 4440 kB SReclaimable: 1320 kB SUnreclaim: 3120 kB PageTables: 3932 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 258156 kB Committed_AS: 1430652 kB VmallocTotal: 450560 kB VmallocUsed: 18524 kB VmallocChunk: 430084 kB
# top PID PR CPU% S #THR VSS RSS PCY UID Name 1337 0 4% R 1 928K 392K fg root top 43 0 1% S 17 17472K 532K fg root /sbin/adbd
$ mkdir ~/bin
$ curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo
$ chmod a+x ~/bin/repo
$ mkdir ~/android_src/ $ cd ~/android_src/ $ ~/bin/repo init -u https://android.googlesource.com/platform/manifest※1. nameとmailアドレスを尋ねられますが適当でOK
$ ~/bin/repo sync※ダウンロードには長時間かかります。
$ cd (cygwinインストールディレクトリ)/bin $ ash.exe $ /usr/bin/rebaseall
$ cd /usr/ssl/certs
$ curl http://curl.haxx.se/ca/cacert.pem | awk 'split_after==1{n++;split_after=0} /-----END CERTIFICATE-----/ {split_after=1} {print > "cert" n ".pem"}'
$ c_rehash
# df /data -実行結果- Filesystem Size Used Free Blksize /data 64M 7M 56M 4096
# dd if=/dev/zero of=/data/dummy bs=4096 count=1000 -実行結果- 1000+0 records in 1000+0 records out 4096000 bytes transferred in 0.260 secs (15753846 bytes/sec)
# df /data Filesystem Size Used Free Blksize /data 64M 11M 52M 4096
# dd if=/dev/zero of=/data/dummy1 bs=4096 count=1000
# dd if=/dev/zero of=/data/dummy2 bs=4096 count=99999999
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<include android:id="@+id/includer" layout="@layout/include" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8" ?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="@string/hello"/>
</FrameLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<include android:id="@+id/includer" layout="@layout/include" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8" ?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/includee"
>
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="@string/hello"/>
</FrameLayout>
JSONArray json = new JSONArray( new String(/*最新のツイート*/recentTweet(), "UTF-8"));
int len = json.length();
for (int i = 0; i < len; i++) {
JSONObject tweet = json.getJSONObject(i);
String text = tweet.getString("text");
// ツイート日付の取得
SimpleDateFormat df = new SimpleDateFormat("EEE MMM d HH:mm:ss Z yyyy", Locale.ENGLISH);
df.setTimeZone(TimeZone.getTimeZone("GMT"));
Date created_at_en = df.parse(tweet.getString("created_at"));
String created_at_ja = DateFormat.getDateInstance(DateFormat.FULL, Locale.JAPAN)
.format(created_at_en);
JSONObject user = tweet.getJSONObject("user");
String screen_name = user.getString("screen_name");
}
// This is the process running the current foreground app. We'd really // rather not kill it! Value set in system/rootdir/init.rc on startup. final int FOREGROUND_APP_ADJ; // This is a process only hosting activities that are visible to the // user, so we'd prefer they don't disappear. Value set in // system/rootdir/init.rc on startup. final int VISIBLE_APP_ADJ; // This is a process holding the home application -- we want to try // avoiding killing it, even if it would normally be in the background, // because the user interacts with it so much. final int HOME_APP_ADJ; // This is a process only hosting activities that are not visible, // so it can be killed without any disruption. Value set in // system/rootdir/init.rc on startup. final int HIDDEN_APP_MAX_ADJ; static int HIDDEN_APP_MIN_ADJ; // This is a process without anything currently running in it. Definitely // the first to go! Value set in system/rootdir/init.rc on startup. // This value is initalized in the constructor, careful when refering to // this static variable externally. static int EMPTY_APP_ADJ;
# df /system
<?xml version="1.0" encoding="utf-8"?> <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <PreferenceCategory <EditTextPreference android:key="follow_user" ... </PreferenceCategory> </PreferenceScreen>
public class TwitterWidgetConfigure extends PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.config);
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
Preference preference) {
// key"follow_user"が返される
android.util.Log.e("yuki", "yuki key=" + preference.getKey());
return true;
}
export PATH_GIT_BASE=~/android_src/frameworks/base export PATH_JAR_BASE=~/jar cp -R $PATH_GIT_BASE/core/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/core/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/graphics/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/keystore/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/location/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/media/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/opengl/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/sax/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/telephony/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/vpn/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/wifi/java $PATH_JAR_BASE cp -R $PATH_GIT_BASE/services/java $PATH_JAR_BASE
$ mkdir ~/bin
$ curl http://git-repo.googlecode.com/files/repo-1.12 > ~/bin/repo
$ chmod a+x ~/bin/repo
$ mkdir ~/android_src/ $ cd ~/android_src/ $ ~/bin/repo init -u git://codeaurora.org/platform/manifest.git※1. nameとmailアドレスを尋ねられますが適当でOK
$ ~/bin/repo sync※ダウンロードには長時間かかります。
$ cd (cygwinインストールディレクトリ)/bin $ ash.exe $ /usr/bin/rebaseall
$ cd /usr/ssl/certs
$ curl http://curl.haxx.se/ca/cacert.pem | awk 'split_after==1{n++;split_after=0} /-----END CERTIFICATE-----/ {split_after=1} {print > "cert" n ".pem"}'
$ c_rehash