我學習Android Studio中的第一次,我被卡住試圖將一個物理Android設備上運行的程序。我遇到的問題是我的設備上沒有任何內容(小部件,文本視圖,按鈕)出現在屏幕上。我使用的電腦有問題嗎?我可以在編輯器中看到和操作小部件,但是我創建的屏幕上的很多東西不會顯示在除藍圖外的正確位置。在設計視圖中,部件無法正確顯示?
我已經附上一切的圖像,所以你們可以去看看。我在AMD A10- 9600p Radeon R5上運行這個。 感謝您的幫助。
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:ignore="MissingConstraints">
<TextView
android:text="TextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textView2"
tools:ignore="UnknownId"
tools:layout_editor_absoluteY="42dp"
android:layout_marginStart="16dp"
app:layout_constraintLeft_toLeftOf="@+id/constraintLayout"
android:layout_marginLeft="16dp" />
<EditText
android:layout_width="0dp"
android:layout_height="0dp"
android:inputType="textMultiLine"
android:ems="10"
android:id="@+id/editText"
android:layout_marginTop="16dp"
app:layout_constraintTop_toBottomOf="@+id/textView2"
android:layout_marginStart="16dp"
app:layout_constraintLeft_toRightOf="@+id/textView2"
android:layout_marginLeft="16dp"
tools:ignore="UnknownId"
android:text="Hello this is my first app and I have no clue what I'm doing! Hopefully this all works out! I just need a bunch of words so i can create scorolling i am just typing things as fast as i can its problaly mispselled but who realy gives a hooot! just like the pokemon. this comupuete is decent but the bang for the buck is where its at. I caould make raps for fday s but its ok oops i guess i need some more word so this lovely app can scroll like a bouss hog out of the kitchen i think ill go get some ice cream soon yes great idea mr culver holla at ur boy yes"
app:layout_constraintBottom_toTopOf="@+id/button3"
android:layout_marginBottom="16dp"
app:layout_constraintHorizontal_bias="0.75"
app:layout_constraintVertical_bias="0.8"
android:layout_marginEnd="16dp"
app:layout_constraintRight_toRightOf="@+id/constraintLayout"
android:layout_marginRight="16dp" />
<Button
android:text="CANCEL"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/button2"
tools:ignore="UnknownId"
tools:layout_editor_absoluteY="436dp"
tools:layout_editor_absoluteX="268dp" />
<Button
android:text="OK"
android:layout_width="88dp"
android:layout_height="48dp"
android:id="@+id/button3"
app:layout_constraintRight_toLeftOf="@+id/button2"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
tools:ignore="UnknownId"
app:layout_constraintBaseline_toBaselineOf="@+id/button2" />
</android.support.constraint.ConstraintLayout>
請發表您的佈局XML。 –