android获得焦点后按钮变大

[{"title":"（43个子文件1.65MB）android获取焦点后按钮变大","children":[{"title":"FocusLarge","children":[{"title":".project <span style='color:#111;'>846B</span>","children":null,"spread":false},{"title":"bin","children":[{"title":"AndroidManifest.xml <span style='color:#111;'>848B</span>","children":null,"spread":false},{"title":"Button_donghua.apk <span style='color:#111;'>226.41KB</span>","children":null,"spread":false},{"title":"jarlist.cache <span style='color:#111;'>119B</span>","children":null,"spread":false},{"title":"FocusLarge.apk <span style='color:#111;'>204.87KB</span>","children":null,"spread":false},{"title":"dexedLibs","children":[{"title":"android-support-v4-43c01156cef6b0293702df1190398b0e.jar <span style='color:#111;'>184.80KB</span>","children":null,"spread":false},{"title":"annotations-36dc302e814fde69c553d7e6133e87dd.jar <span style='color:#111;'>943B</span>","children":null,"spread":false},{"title":"android-support-v4-080acaf633e38f0de7c81d306ae2d849.jar <span style='color:#111;'>184.80KB</span>","children":null,"spread":false},{"title":"android-support-v4-13c0e9f2c47e58823c37b044263f4795.jar <span style='color:#111;'>184.80KB</span>","children":null,"spread":false}],"spread":true},{"title":"res","children":[{"title":"drawable-hdpi","children":null,"spread":false},{"title":"drawable-mdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'>3.04KB</span>","children":null,"spread":false}],"spread":true},{"title":"drawable-xhdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'>9.14KB</span>","children":null,"spread":false}],"spread":true},{"title":"drawable-xxhdpi","children":null,"spread":false}],"spread":true},{"title":"resources.ap_ <span style='color:#111;'>16.25KB</span>","children":null,"spread":false},{"title":"classes","children":[{"title":"com","children":[{"title":"hck","children":[{"title":"R$string.class <span style='color:#111;'>365B</span>","children":null,"spread":false},{"title":"R$layout.class <span style='color:#111;'>361B</span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'>428B</span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'>374B</span>","children":null,"spread":false},{"title":"R$anim.class <span style='color:#111;'>365B</span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'>563B</span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'>398B</span>","children":null,"spread":false},{"title":"BuildConfig.class <span style='color:#111;'>323B</span>","children":null,"spread":false},{"title":"R$attr.class <span style='color:#111;'>307B</span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'>510B</span>","children":null,"spread":false}],"spread":true},{"title":"xiaxl","children":[{"title":"MainActivity.class <span style='color:#111;'>499B</span>","children":null,"spread":false},{"title":"MyButton.class <span style='color:#111;'>1.89KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"classes.dex <span style='color:#111;'>544.30KB</span>","children":null,"spread":false}],"spread":true},{"title":".settings","children":[{"title":"org.eclipse.core.resources.prefs <span style='color:#111;'>182B</span>","children":null,"spread":false}],"spread":true},{"title":"ic_launcher-web.png <span style='color:#111;'>50.19KB</span>","children":null,"spread":false},{"title":"AndroidManifest.xml <span style='color:#111;'>848B</span>","children":null,"spread":false},{"title":"proguard-project.txt <span style='color:#111;'>781B</span>","children":null,"spread":false},{"title":"libs","children":[{"title":"android-support-v4.jar <span style='color:#111;'>472.91KB</span>","children":null,"spread":false}],"spread":true},{"title":"src","children":[{"title":"com","children":[{"title":"xiaxl","children":[{"title":"MyButton.java <span style='color:#111;'>1.39KB</span>","children":null,"spread":false},{"title":"MainActivity.java <span style='color:#111;'>282B</span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"project.properties <span style='color:#111;'>563B</span>","children":null,"spread":false},{"title":"res","children":[{"title":"values","children":[{"title":"styles.xml <span style='color:#111;'>680B</span>","children":null,"spread":false},{"title":"strings.xml <span style='color:#111;'>114B</span>","children":null,"spread":false},{"title":"dimens.xml <span style='color:#111;'>213B</span>","children":null,"spread":false}],"spread":true},{"title":"layout","children":[{"title":"main.xml <span style='color:#111;'>1.89KB</span>","children":null,"spread":false}],"spread":true},{"title":"drawable-ldpi","children":null,"spread":false},{"title":"drawable-hdpi","children":null,"spread":false},{"title":"anim","children":[{"title":"scale_to_large.xml <span style='color:#111;'>385B</span>","children":null,"spread":false}],"spread":false},{"title":"drawable-mdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'>3.69KB</span>","children":null,"spread":false}],"spread":false},{"title":"drawable-xhdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'>12.22KB</span>","children":null,"spread":false}],"spread":false}],"spread":true},{"title":".classpath <span style='color:#111;'>450B</span>","children":null,"spread":false},{"title":"gen","children":[{"title":"com","children":[{"title":"hck","children":[{"title":"R.java <span style='color:#111;'>1.99KB</span>","children":null,"spread":false},{"title":"BuildConfig.java <span style='color:#111;'>149B</span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true},{"title":"assets","children":null,"spread":false}],"spread":false}],"spread":true}]