1.使用platform密钥对apk进行签名
1.1.进入<Android_Source_Path>/build/target/product/security,找到【platform.pk8】和【platform.x509.pem】系统密钥。
1.2.进入<Android_Source_Path>/build/tools/signapk找到SignApk.java，运行javac编译成SignApk.class
1.3.执行命令java com.android.signapk.SignApk platform.x509.pem platform.pk8 input.apk output.apk
至此，完成。
2. 对1的补充：
<Android_Source_Path>/build/target/product/security下有多对密钥，详细如下：
The following commands were used to generate the test key pairs:
development/tools/make_key testkey '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
development/tools/make_key platform '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
development/tools/make_key shared '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
development/tools/make_key media '/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com'
The following standard test keys are currently included:
testkey -- a generic key for packages that do not otherwise specify a key.
platform -- a test key for packages that are part of the core platform.
shared -- a test key for things that are shared in the home/contacts process.
media -- a test key for packages that are part of the media/download system.
These test keys are used strictly in development, and should never be assumed
to convey any sort of validity. When $BUILD_SECURE=true, the code should not
honor these keys in any context.
signing using the openssl commandline (for boot/system images)
--------------------------
1. convert pk8 format key to pem format
% openssl pkcs8 -inform DER -nocrypt -in testkey.pk8 -out testkey.pem
2. create a signature using the pem format key
% openssl dgst -binary -sha1 -sign testkey.pem FILE > FILE.sig
extracting public keys for embedding
------------------------------------
it's a Java tool
but it generates C code
take a look at commands/recovery/Android.mk
you'll see it running $(HOST_OUT_JAVA_LIBRARIES)/dumpkey.jar
3.对3的补充：
在运行第三步的命令前，请在你当前的工作目录下新建如下结构的文件夹:com.android.signapk，然后将第二步编译生成的SignApk放入该目录下。或者也可以将SignApk.java的package声明删除后再运行javac编译。
命令java com.android.signapk.SignApk platform.x509.pem platform.pk8 input.apk output.apk
不单可以对apk文件进行重签名，也可以对所有的zip文件进行重签名，包括ROM文件。
milestone的CM7相应文件地址为：https://github.com/nadlabak/android_build/tree/gingerbread/tools/signapk
添加权限
<uses-permission android:name="android.permission.CALL_PHONE"></uses-permission><!-- 放在application标签之外-->
private Button mButton1;
private EditText mEditText1;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.telephone);
mEditText1 = (EditText) findViewById(R.id.editText1);
mButton1 = (Button) findViewById(R.id.button1);
/* 设定Button对象的OnClickListener来聆听OnClick事件 */
mButton1.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
try {
/* 取得EditText中用户输入的字符串 */
String strInput = mEditText1.getText().toString();
/* 建构一个新的Intent并执行action.CALL的常数与透过Uri将字符串带入 */
Intent myIntentDial = new Intent(
"android.intent.action.CALL", Uri.parse("tel:"
+ strInput));
/* 在startActivity()方法中带入自定义的Intent对象以执行拨打电话的工作 */
startActivity(myIntentDial);
mEditText1.setText("");
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
转跳至通讯录
1.添加权限
<uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>
或者需要允许的权限
<uses-permission android:name="android.permission.CALL_PRIVILEGED"></uses-permission>
2.代码
Intent myIntentDial = new Intent("android.intent.action.CALL_BUTTON");
startActivity(myIntentDial);
弹出UIModalPresentationFormSheet模式
- (IBAction)buttonPressed:(id)sender
{
NSLog(@"Show feedback view now!");
UIViewController *fbsheet = [[FeedbackSheet alloc] initWithNibName:@"FeedbackSheet" bundle:nil];
fbsheet.modalPresentationStyle = UIModalPresentationFormSheet;
[self presentModalViewController:fbsheet animated:YES];
[fbsheet release];
}
效果如下：
但是当在UItextview软盘弹出之后，点击其他区域使用下面代码软盘无法隐藏
[feedbackContent resignFirstResponder];
进查询资料之后发现重写disablesAutomaticKeyboardDismissal即可，该api在iOS (4.3 and later)
-(BOOL)disablesAutomaticKeyboardDismissal
{
return NO;
}
还有一种方式就是通过在键盘上添加toolbar，也是一种比较简易的操作
- (void)viewDidLoad
{
[super viewDidLoad];
UIToolbar * topView = [[UIToolbar alloc]initWithFrame:CGRectMake(0, 0, 320, 50)];
[topView setBarStyle:UIBarStyleBlack];
UIBarButtonItem * btnSpace = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil];
UIBarButtonItem * doneButton = [[UIBarButtonItem alloc] initWithTitle:@"收起键盘" style:UIBarButtonItemStyleDone target:self action:@selector(dismissKeyBoard)];
[doneButton setWidth:80];
NSArray * buttonsArray = [NSArray arrayWithObjects:btnSpace,doneButton,nil];
[doneButton release];
[btnSpace release];
[topView setItems:buttonsArray];
[feedbackContent setInputAccessoryView:topView];
}
-(IBAction)dismissKeyBoard
{
[feedbackContent resignFirstResponder];
}
效果如下：
参考资料：http://stackoverflow.com/questions/3019709/modal-dialog-does-not-dismiss-keyboard