监听多个EditText，只有当它们都有输入后，相应Button才能被点击

[{"title":"（ 58 个子文件 2MB ） 监听多个EditText，只有当它们都有输入后，相应Button才能被点击","children":[{"title":"EdtCheckDemo","children":[{"title":"bin","children":[{"title":"classes.dex <span style='color:#111;'> 544.32KB </span>","children":null,"spread":false},{"title":"res","children":[{"title":"drawable-hdpi","children":[{"title":"regist_f.png <span style='color:#111;'> 18.84KB </span>","children":null,"spread":false},{"title":"edt_bg.png <span style='color:#111;'> 616B </span>","children":null,"spread":false},{"title":"ic_launcher.png <span style='color:#111;'> 5.82KB </span>","children":null,"spread":false},{"title":"regist_t.png <span style='color:#111;'> 30.70KB </span>","children":null,"spread":false},{"title":"d_bg.png <span style='color:#111;'> 146.51KB </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":[{"title":"ic_launcher.png <span style='color:#111;'> 17.47KB </span>","children":null,"spread":false}],"spread":true},{"title":"drawable-mdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'> 3.04KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"dexedLibs","children":[{"title":"android-support-v4-2f42dedd3e3d4abe6687873ec954e6c3.jar <span style='color:#111;'> 184.80KB </span>","children":null,"spread":false}],"spread":true},{"title":"classes","children":[{"title":"com","children":[{"title":"ash","children":[{"title":"edtcheckdemo","children":[{"title":"BuildConfig.class <span style='color:#111;'> 349B </span>","children":null,"spread":false},{"title":"R$layout.class <span style='color:#111;'> 409B </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 494B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 535B </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 494B </span>","children":null,"spread":false},{"title":"R$attr.class <span style='color:#111;'> 346B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 695B </span>","children":null,"spread":false},{"title":"activity","children":[{"title":"MainActivity.class <span style='color:#111;'> 1.43KB </span>","children":null,"spread":false},{"title":"MainActivity$1.class <span style='color:#111;'> 978B </span>","children":null,"spread":false},{"title":"MainActivity$NewWatcher.class <span style='color:#111;'> 1.60KB </span>","children":null,"spread":false}],"spread":false},{"title":"R$string.class <span style='color:#111;'> 603B </span>","children":null,"spread":false},{"title":"R$color.class <span style='color:#111;'> 466B </span>","children":null,"spread":false},{"title":"entity","children":[{"title":"EdtCheckEntity.class <span style='color:#111;'> 512B </span>","children":null,"spread":false}],"spread":false},{"title":"utils","children":[{"title":"MyTextWatcher.class <span style='color:#111;'> 891B </span>","children":null,"spread":false}],"spread":false},{"title":"R$style.class <span style='color:#111;'> 464B </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"resources.ap_ <span style='color:#111;'> 237.73KB </span>","children":null,"spread":false},{"title":"EdtCheckDemo.apk <span style='color:#111;'> 427.07KB </span>","children":null,"spread":false},{"title":"AndroidManifest.xml <span style='color:#111;'> 906B </span>","children":null,"spread":false}],"spread":true},{"title":"res","children":[{"title":"values-v11","children":[{"title":"styles.xml <span style='color:#111;'> 334B </span>","children":null,"spread":false}],"spread":true},{"title":"values-v14","children":[{"title":"styles.xml <span style='color:#111;'> 391B </span>","children":null,"spread":false}],"spread":true},{"title":"drawable-hdpi","children":[{"title":"regist_f.png <span style='color:#111;'> 19.65KB </span>","children":null,"spread":false},{"title":"edt_bg.png <span style='color:#111;'> 1.81KB </span>","children":null,"spread":false},{"title":"ic_launcher.png <span style='color:#111;'> 7.48KB </span>","children":null,"spread":false},{"title":"regist_t.png <span style='color:#111;'> 31.96KB </span>","children":null,"spread":false},{"title":"d_bg.png <span style='color:#111;'> 237.87KB </span>","children":null,"spread":false}],"spread":true},{"title":"drawable-xhdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'> 12.22KB </span>","children":null,"spread":false}],"spread":true},{"title":"drawable-xxhdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'> 24.20KB </span>","children":null,"spread":false}],"spread":true},{"title":"values","children":[{"title":"colors.xml <span style='color:#111;'> 210B </span>","children":null,"spread":false},{"title":"strings.xml <span style='color:#111;'> 415B </span>","children":null,"spread":false},{"title":"styles.xml <span style='color:#111;'> 1.19KB </span>","children":null,"spread":false},{"title":"dimens.xml <span style='color:#111;'> 256B </span>","children":null,"spread":false}],"spread":true},{"title":"values-sw720dp-land","children":[{"title":"dimens.xml <span style='color:#111;'> 277B </span>","children":null,"spread":false}],"spread":true},{"title":"drawable-mdpi","children":[{"title":"ic_launcher.png <span style='color:#111;'> 3.69KB </span>","children":null,"spread":false}],"spread":true},{"title":"values-sw600dp","children":[{"title":"dimens.xml <span style='color:#111;'> 203B </span>","children":null,"spread":false}],"spread":true},{"title":"layout","children":[{"title":"activity_main.xml <span style='color:#111;'> 1.24KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"proguard-project.txt <span style='color:#111;'> 781B </span>","children":null,"spread":false},{"title":"ic_launcher-web.png <span style='color:#111;'> 50.19KB </span>","children":null,"spread":false},{"title":"assets","children":null,"spread":false},{"title":"gen","children":[{"title":"com","children":[{"title":"ash","children":[{"title":"edtcheckdemo","children":[{"title":"BuildConfig.java <span style='color:#111;'> 162B </span>","children":null,"spread":false},{"title":"R.java <span style='color:#111;'> 3.21KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":".settings","children":[{"title":"org.eclipse.jdt.core.prefs <span style='color:#111;'> 177B </span>","children":null,"spread":false}],"spread":true},{"title":"src","children":[{"title":"com","children":[{"title":"ash","children":[{"title":"edtcheckdemo","children":[{"title":"activity","children":[{"title":"MainActivity.java <span style='color:#111;'> 2.43KB </span>","children":null,"spread":false}],"spread":true},{"title":"entity","children":[{"title":"EdtCheckEntity.java <span style='color:#111;'> 320B </span>","children":null,"spread":false}],"spread":true},{"title":"utils","children":[{"title":"MyTextWatcher.java <span style='color:#111;'> 642B </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":".project <span style='color:#111;'> 848B </span>","children":null,"spread":false},{"title":".classpath <span style='color:#111;'> 475B </span>","children":null,"spread":false},{"title":"project.properties <span style='color:#111;'> 563B </span>","children":null,"spread":false},{"title":"AndroidManifest.xml <span style='color:#111;'> 906B </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}],"spread":false}],"spread":true}]